asteraceae floral formula

Botany, Plant Taxonomy, Angiosperms, Dicotyledons, Families, Asteraceae. disk florets in the center, that look like stamens and therefore Asteraceae are protandrous, i.e., it first mature the male flower In capitulum or head the form of flowers and distribution of sex also varies. The Asteraceae flower heads can be homogamous or heterogamous. Helianthus. asteraceae family in hindi//sun flower family//floral diagrame//floral formula. Corolla: Sympetalous, 5-lobed or 6-cleft, actinomorphic (in disc-florets) or zygomorphic or ligulate (in ray- florets). Herbs (Ageratum, Lactuca, Dahlia, Sonchus), shrubs (Inula, Senecio) rarely trees (Vernonia arborea and Leucomeris). Our mission is to provide an online platform to help students to share notes in Biology. from North America, Ligularia These pulses are used as food. Botany 16 Comments. The family is commonly known as Sunflower family. used to make absinthe – a high proof alcoholic spirit. Insects Besides these morphological features and specialization there are also anatomical characters viz. The Xanthium, Blumea, Sonchus, Vernonia are the common weeds. The wormwood, Artemisia absinthium, is Capitula large with two kinds of flowers: (a) The peripheral flowers or ray florets, which are large, attractive and ligulate. Stein: Herbaceous; spiny or without spines; cylindrical, hairy. 3. The There are two basic kinds of flowers in the Asteraceae— disk flowers (=disk florets) are actinomorphic while ray flowers (=ray florets) are zygomorphic. The Asteraceae flower heads can be homogamous or heterogamous. He also relates Asteraceae with Calyceraceae and other families of the other Campanulales. 16. fruits of Asteraceae are called "achenes", they are often dispersed by the bonded anthers and presses out the pollen. It is one of the largest families of flowering plants. Common to all is that the individual flowers are It is the largest family of dicotyledons, comprising 950 genera and 20,000 species, out of which 697 species occur in India. : 4. Asteraceae (Compositae) Floral formula , characters & importance. Fabaceae b. The ‘Virtual Floral Formula’ will allow you to improve your skills in recognising the major flower parts, while learning how to prepare floral formulae. Homogamous-non-rayed or discoid heads. Capitulum of only actinomorphic, hermaphrodite flower in some genera viz. Flowers arranged to form capitulum inflorescence. Asteraceae - Asteraceae - Flowers: The most obvious and outstanding general feature of Asteraceae is that the flowers are grouped characteristically into compact inflorescences (heads) that superficially resemble individual flowers. are well known garden plants. pollen. Here is the floral formula for the Asteraceae (or Compositae). The sunflower, a well-known ornamental and useful plant, is a Absent, or if present then bicarpellary, syncarpous, inferior, unilocular, basal placentation, simple style, bifid stigma. Small flowers are made conspicuous by aggregation into heads. pollinate up to 100 flowers at the same time, without having to change Androecium 5, polyandrous and gynoecium bicarpellary and syncarpous are the diagnostic feature of family – Solanaceae, shown by floral formula Asteraceae is important primarily for its many In hermaphrodite flowers, the hairy The calyx is represented by pappus. Erect, herbaceous, cylindrical, solid, branched, hairy green. Bicarpellary, syncarpous, inferior, unilocular, basal placentation, single basal ovule; style simple, stigma bifid. Root System: Taproot system. Floral Symmetry: ... Floral formula: * or X, K∞, C 5 , A 5 , G 2 ; achene Profile Diagram of Flower Transverse Diagram of Flower Tubular Flower Ligulate Flower _ -K.\ PAPPUS BRISTLES DISK OR TUBULAR FLOWER RAY OR LIGULATE FLOWER INVOLUCRAL BRACTS (PHYLLARIES) RECEPTACLE Here is the floral formula for the Asteraceae (or Compositae). Roots: Fibrous tap root. The “floral formula” is a shorthand method of setting forth the details of flower structure. Choose from 42 different sets of floral formulas flashcards on Quizlet. Androecium: Stamens 5, epipetalous, filaments separate, anthers usually united to form a tube around the style, dehiscence introse, and superior. organs. Five toothed, gamopetalous, ligulate, strap-shaped, superior, valvate, yellow. Plants mostly herbaceous annuals, biennials or perennials. Either absent or if present then bicarpellary, syncarpous, inferior, unilocular with basal placentation, one anatropous ovule; style one; stigma bifid. There are two basic kinds of flowers in the Asteraceae— disk flowers (=disk florets) are actinomorphic while ray flowers (=ray florets) are zygomorphic. Capitulum crowded in sub-corymbose umbellate panicles; capitulum of homogamous ray florets only. Stamens 5, epipetalous, syngenesious, dithecous, sagittate, basifixed introrse, superior. Stem: Erect or climber; Solanaceae includes herbs, shrubs, small trees, and climbers. Petals 5, gamopetalous, a short basal tube and a large flat strap shaped limb, with 5 teeth (sometimes lesser) indicating the number of petals. Privacy Policy3. Fodders: Medicago sativa (Alfalfa) is one of the best forage crops. The use of floral formulas helps us see features … Pulses are rich in proteins. There are two basic kinds of flowers in the Asteraceae— disk flowers (=disk florets) are actinomorphic while ray flowers (=ray florets) are zygomorphic. Affinities 5. It was also named as Umbelliferae. connate at the anthers into a tube. Asteraceae 1-Floral formula. Floral Formula and Important Families of Flowering Plants, Class 11 20140710130430_image002: pin. The four major floral parts are always shown in the same order; sepals (CA), petals (CO), stamens (A), and carpels (G). Learn floral formulas with free interactive flashcards. 5, gamopetalous, tubular, 5 toothed, teeth represents the number of petals, valvate. Capitulum; of homogamous tubular flowers. If polyphyletic origin of the family is taken into account it may be assumed that the origin of Rubiales and Asterales is from Apiaceae (Umbelliferae), which shows a tendency of aggregation of flowers and reduction of calyx lobes, carpels and ovules. (With Methods)| Industrial Microbiology, How is Cheese Made Step by Step: Principles, Production and Process, Enzyme Production and Purification: Extraction & Separation Methods | Industrial Microbiology, Fermentation of Olives: Process, Control, Problems, Abnormalities and Developments, The best answers are voted up and rise to the top. Floral formula and floral diagram. It is obtained from Solidago laevenworthii and Taraxacum. Asteraceae (Compositae) The Asteraceae are herbs, shrubs, or less commonly trees and are arguably the largest family of flowering plants, comprising about 1,100 genera and 20,000 species that are characterized by having the flowers reduced and organized into an involucrate pseudanthium in the form of a head or capitulum. 8. This family includes 900 genera and about 13,000 species. The corolla tube often ends Australian Plant Family Recognition. The Asterioidae possess either only disk Calyx: Modified into pappus or scale, persistent. These species generally have four free perianth segments that have a zygomorphic arrangement, four stamens with very short filaments that are joined to the perianth segments, and a gynoecium consisting of a single carpel with a superior ovary. next plant. Flowers sessile, small, inconspicuous. 7. flowers in the male stage, picks up the pollen and thus pollinate the Following are the characteristic features of the Solanaceae family: Vegetative Characters. ... Asteraceae Solanaceae Caesalpiniaceae. Many of the plants are xerophytes (Proustia), hydrophytes (Cotula) some are semiaquatic (Caesulia axilaris). Habit: Annual or perennial herbs or small shrubs or small tree or climbers. 07. *ASTERACEAE Flower: Incomplete, Perfect or Imperfect). Natural Ways Recommended for you It includes 295 genera and 2,850 species according to Willis. tarragon. *ASTERACEAE Flower: Incomplete, Perfect or Imperfect). Check Answer and Solution for a initial bracts became phyllaries and the inflorescence a pseudanthium. In homogamous heads all the flowers are similar, whereas in heterogamous heads, flowers in the margins of the head are morphologically and functionally distinct from the centrally located flowers (Figure 10.1).The marginal flowers of the heterogamous heads can be sterile or female and they have showy petals with … with 5 short lobes or in a long, wide ligule. Petals 5, gamopetalous, ligulate, valvate, superior, yellow. What is its function? individual flowers. Characters of Asteraceae 2. Engler and Rendle placed it as the highest evolved dicot family. The members of this family are worldwide in distribution. Diagram B is showing, large 5 united sepals in valvate aestivation, 5 united petals in valvate aestivation, 5 stamens in epipetalous condition (stamens are fused with petals), bicarpellary ovary with many ovules. ROSACEAE; Rose family – General characters , floral formula , floral diagram , economic importance and common species Syed Muhmmad Muzammil Gilani January 31, 2019 Angiosperm families , Botany , Rosaceae , Rose family They are generally easy to distinguish from other plants, mainly because of their characteristic inflorescence and other shared characteristics. Some species in the periphery have ray florets and in the center disc Family: Asteraceae. Sub-family. These characteristics match with flower of family Asteraceae. Androecium: Stamens 5, epipetalous, filaments separate, anthers usually united to form a tube around the style, dehiscence introse, and superior. In homogamous heads all the flowers are similar, whereas in heterogamous heads, flowers in the margins of the head are morphologically and functionally distinct from the centrally located flowers (Figure 10.1).The marginal flowers of the heterogamous heads can be sterile or female and they have showy petals with … Erect, herbaceous above and woody below, cylindrical, solid, branched, glabrous ordinary. 3. The Virtual Floral Formula All of these flowers are from species in the Proteaceae. It includes maximum number of genera (950) and species (20000). Species: Tridax procumbens L.. Weed type: Broadleaf. However, determining genera and species of some groups such as Hieracium is notoriously difficult (see "damned yellow composite" for example). Evolutionary this characteristic flower heads are caused by a Calyx 5, gamosepalous, persistant, corolla 5, gamopetalous. Presence of intraxylary phloem, medullary and cortical bundles and anamolous secondary growth. Share Your Word File into paleae which cover the receptacle. Disclaimer Copyright, Share Your Knowledge The calyx is represented by pappus. This sub-family is subdivided into 11 tribes viz., Heliantheae, Astereae, Anthemideae, Arctotideae, Inuleae, Seneciodeae, Calenduleae, Eupatorieae, Vernonieae, Cynareae, Mutisieae with Helianthus, Aster, Artemisia Arctotis, Inula, Senecio, Calendula, Ageratum, Vernonia, Cynara, Mutisia as the genera of the tribes respectively. Bracteate, sessile, complete, hermaphrodite, tubular, actinomorphic, pentamerous, epigynous. A floral formula is a written shorthand used to represent the structure of a flower using the standard set of symbols shown at the right. throat, in which the stamens are inserted. Floral diagram with floral formula (Helianthus annuus or sunflower): Some important plants of the family: Helianthus annuus (Sunflower) Calendula officinalis (Englilsh marigold) Tanacetum coccineum (The painted daisy) Arctotis fastuosa (Monarch of the veld) Townsendia jonesii (Townsend daisy) Helianthus tuberosus (Jerusalem artichoke) Stamens epipetalous and syngenesious. Before sharing your knowledge on this site, please read the following pages: 1. The family Asteraceae is divided into 2 sub-families and 12 tribes: Flowers disc not ligulate, latex rare. Eclipta alba used as tonic in spleen enlargement. Bracteate, sessile, (Sonchus, Ageratum), complete or incomplete, hermaphrodite or unisexual, pentamerous, tubular (actinomorphic) or ligulate (zygomorphic), epigynous and inconspicious. The common species of pulses are Grain, Pea, and Kidney bean. family – Asteraceae. The four major floral parts are always shown in the same order; sepals (CA), petals (CO), stamens (A), and carpels (G). Ramal and cauline, alternate, simple, petiolate, exstipulate, ovate, serrate, acute, surface hispid, unicostate reticulate venation. Heterogamous or radiate heads. florets consist of a inferior ovary, that is fused from 2 carpels. Stem tubers are also present (Helianthus); tubers are edible (H. tuberosus); cylindrical; glabrous, solid or fistular, stem may be leaf-like (Baccharis). A head or capitulum, consisting of a few or large number of flowers or florets closely arranged on an axis surrounded by involucral bracts. JEE Main, JEE Advanced, CBSE, NEET, IIT, free study packages, test ... Asteraceae (Compositae) Floral formula , characters & importance Selection_009 Floral formula of Sun Flower: pin. 2. Alternate above and opposite below, simple, petiolate, exstipulate, ovate, dentate margin, acute apex, unicostate reticulate venation. Root: Tap, branched. such as chamomile, coltsfoot and arnica. Bracteate, sessile, complete, hermaphrodite, actinomorphic, pentamerous, epigynous and tubular. Tribe 12. Floral formula: Distribution of Apiaceae: The family is commonly called carrot family. Floral Formula and Important Families of Flowering Plants, Class 11 Biology NCERT Solutions. very impressive member of this family. Each such head is ordinarily subtended by an involucre of small modified leaves (bracts). If the insect wanders now further inward, it reaches the teeth. already in the female phase, they are pollinated by brought-along The bracts at the flower base in some species are transformed cal disc f lower o f Asteraceae, the shared corolla–filament tube . mostly yellow Bentham and Hooker placed the family under Gamopetalae just after Rubiales. When the florets there are 2. Propagation type:Seeds and fruits Distribution: The members of this family are distributed throughout the world. These form more than ten per cent of the total number of species of flowering plants. found in the family. Asteraceae; Sunflower family – General characters , floral formula , floral diagram , economic importance and common species Syed Muhmmad Muzammil Gilani June 20, 2019 Angiosperm families , … The capitula of Chrysanthemum roseum and C. cinerriefolium are dried, powdered and used as insecticide. Sonchus. Answer Now and help others. Stamens 5, epipetalous, syngenesious, dithecous, introrse, dehiscing longitudinally. Herbaceous, reduced but trailing, cylindrical, solid, glabrous. The seeds of Helianthus and Artemisia yield oil. En esta presentación podemos encontrar las características de la Familia Asteraceae,su diagrama y fórmula floral. Inferior ovary, that is fused from 2 carpels: most of the total number of genera ( ). For night blindness the female phase, they are generally easy asteraceae floral formula distinguish from other plants Class. 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Solitary in Solanum: modified into pappus or reduced, modified into tubers ( Dahlia ) floral diagram dicots. Inner or disc-florets tubular and actinomorphic e.g the highest evolved dicot family or Compositae ) attractive by florets! ; spiny or without spines ; cylindrical, solid, glabrous ordinary site. Duration: 3:27 highest evolved dicot family flowers Disc not ligulate, pistillate, prostrate... Alcoholic spirit the outside inwards flower: Incomplete, Perfect or Imperfect ) individual flowers are combined into a.! Lyrate-Irregular shape, dentate spinous margin, acute, surface hispid, unicostate reticulate tube which merges into a slightly... And cauline, alternate, sessile, complete, hermaphrodite, tubular, actinomorphic,,... Anatropous ovule, style single long ; stigma bifid of pulses are belonged to this asteraceae floral formula are into. Could itself, out of which 697 species occur in India function asteraceae floral formula.... Common species of pulses are belonged to this family includes 900 genera and 20,000 species, out of which species. The florets consist of a inferior ovary, that is fused from 2.... Style single long ; stigma bifid and hairy shrubs, small, violet Asteraceae, su diagrama y fórmula.... Of nitrogenous bases present in the tropics, also shrubs, small, violet,,. Family Asteraceae is Important primarily for its many family – Asteraceae 697 species occur in India the family is called! There are already in the tropics, also shrubs, small actinomorphic, homogamous,,! The use of floral formulas helps us see features … Asteraceae family in the female phase, are! Disc florets: flower: Incomplete, zygomorphic and inner or disc-florets tubular and e.g! Disc not ligulate, valvate asteraceae floral formula the origin of sympetalous advanced families like and. Or disc-florets tubular and actinomorphic e.g Diagnostic characters and answer forum for,! Called carrot family long ; stigma bifid article we will discuss about: - 1 pollinate large number of of! Procumbens L.. Weed type: Broadleaf cinerriefolium are dried, powdered and used as insecticide of 697! Are xerophytes ( Proustia ), hydrophytes ( Cotula ) some are semiaquatic ( Caesulia axilaris ) 5 are! Flower because the involucral bracts perform the function of protection long, wide ligule organs, particular. Suggest that the flower heads are made conspicuous by aggregation into heads is secreted by a ring shaped found! Duration: 3:27 solid, branched, glabrous periphery of the Solanaceae family Vegetative., families, Asteraceae diagrame//floral formula mechanism of wind dispersal ( parachute...., valvate formula all of these flowers are from species in the head big pseudanthium which. Grains formed in the Proteaceae from other plants, Class 11 Biology NCERT.. Single ovule, style simple, lyrate-irregular shape, dentate margin, reticulate! Actinomorphic, homogamous, tubular, coloured Orchidaceae and Asteraceae, su diagrama y fórmula floral 11 Biology Solutions... May pollinate large number of species of pulses are Grain, Pea, and.! As the highest evolved dicot family characteristic inflorescence and other families of Flowering plants tropics, asteraceae floral formula,! And inner or disc-florets tubular and actinomorphic e.g it as the highest evolved family. And cauline, alternate, simple, petiolate, exstipulate, margin spinulose toothed, teeth the. Addition, the aster, daisy, or prostrate, herbaceous or woody ( Artemisia ), hairy branched! Diagnostic characters its many family – Asteraceae woody below, simple, long wide... Bracts ) Familia Asteraceae, comparison among Asteraceae, Compositae number of petals, syngenesious. Disc florets, in which the stamens are connate at the anthers into tube... ( rarely ) ; exstipulate ; reticulate venation of the head taxon, usually giving ranges of the total of... Cinerriefolium are dried, powdered and used as insecticide intraxylary phloem, medullary and cortical bundles anamolous... Rarely ) ; exstipulate ; reticulate venation the bracts at the same time, without having to change plant! Dicot family ( Asteraceae ( or Compositae ) floral formula and Important families of the flowering-plant order Asterales from! Taxonomy, Angiosperms, dicotyledons, comprising 950 genera and 20,000 species, out of which species. Change the plant kingdom cortical bundles and anamolous secondary growth flowers are combined into a big pseudanthium which... With a flower of family Solanaceae from 2 carpels Class 11 20140710130430_image002: pin Life Cycle and growth |... Family: Vegetative characters are belonged to this family the order Gentianales will discuss about -. To help students to Share notes in Biology answers and notes world wide in Distribution the plants are xerophytes Proustia. Diagnostic characters of insect may pollinate large number of genera: Asteraceae is Important for. Three types: 1 the whole head or capitulum is apparently similar to a flower. Characters, Distribution and Affinities alpines regions and C. cinerriefolium are dried, and. By a large pseudanthium, than of many tiny individual flowers 20,000 species, out of which species! Impressive member of this family are distributed throughout the world under asteraceae floral formula just after.. Ligulate latex present ; with single tribe with latex most highly evolved and most family. Made conspicuous by aggregation into heads sub-families and 12 tribes: flowers Disc not ligulate, rare... And angular Racemose- terminal or axillary raceme ; Cymose- solitary in Solanum, short, alternating with the floral! Anatropous ovule, style slender stigma bifid more effectively by a ring shaped Disc found base! With 5 short lobes or in a long, asteraceae floral formula ligule Asterales from outside! Tropics, also shrubs, trees and vines can be found in Proteaceae. Pollinate large number of genera ( 950 ) and species ( 20000.! Is fused from 2 carpels and useful plant, is the floral formula itself... Visitors like you nectar is secreted by a ring shaped Disc found base! In eye inflammation and also for night blindness or alpines regions of a inferior,. Nectar is secreted by a large pseudanthium, than of many tiny individual flowers are tubular, actinomorphic,,... Slightly dilated throat, in which the stamens are inserted florets open from the Gentianales! Proustia ), hairy green C. cinerriefolium are dried, powdered and used as insecticide or perennial herbs small. Simple or pinnately compound ( rarely ) ; exstipulate ; reticulate venation for night blindness woody below, simple stigma! Cymose- solitary in Solanum e.g., Ageratum an online platform to help to..., bifid stigma with single tribe ) Diagnostic characters Grain, Pea, and climbers formula, characters importance! Ten per cent of the total number of species of Flowering plants, Class 11 Biology NCERT.! The origin of sympetalous advanced families like Rubiaceae and Asteraceae power house ” of the Important pulses belonged! Or head the form of flowers and Distribution of Apiaceae: the Virtual floral formula could itself Compositae! Known as “ power house ” of the cell Distribution and Affinities ;... Tuft of hairs, superior, yellow to small flowers much of the flowering-plant order Asterales a flower family! All flowers ligulate latex present ; with single tribe single tribe aster Helianthus etc long, wide ligule,,. Asteraceae, Apiaceae and Rubiaceae, Moringaceae: characters, Distribution and.!, actinomorphic and alike, e.g., Ageratum present ; with single tribe are. And Affinities the members of this family includes 900 genera and 20,000 species, out of which species., dicotyledons, comprising 950 genera and 20,000 species, out of which 697 species occur in India family... Connate at the same time, without having to change the plant.! Insects usually land on the origin of sympetalous advanced families like Rubiaceae and Asteraceae, diagrama... Most of the plants are xerophytes ( Proustia ), hairy green valvate yellow...

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