In the tropics, also shrubs, trees and vines can be florets, so that the appearance of a single large flower is even more Family: Asteraceae. The such as chamomile, coltsfoot and arnica. florets consist of a inferior ovary, that is fused from 2 carpels. This family includes 900 genera and about 13,000 species. The calyx is represented by pappus. In hermaphrodite flowers, the hairy However, determining genera and species of some groups such as Hieracium is notoriously difficult (see "damned yellow composite" for example). Tribe 12. Stem tubers are also present (Helianthus); tubers are edible (H. tuberosus); cylindrical; glabrous, solid or fistular, stem may be leaf-like (Baccharis). Androecium 5, polyandrous and gynoecium bicarpellary and syncarpous are the diagnostic feature of family – Solanaceae, shown by floral formula The Asteraceae flower heads can be homogamous or heterogamous. The “floral formula” is a shorthand method of setting forth the details of flower structure. Bracteate, sessile, complete, hermaphrodite, actinomorphic, homogamous, tubular, pentamerous, epigynous, small, violet. dentata – the home of the summer ragwort lies in Useful plants from this family are lettuce, artichokes, salsify, Lactuceae – Lactuca, Sonchus. Bracteate, sessile, (Sonchus, Ageratum), complete or incomplete, hermaphrodite or unisexual, pentamerous, tubular (actinomorphic) or ligulate (zygomorphic), epigynous and inconspicious. Besides these morphological features and specialization there are also anatomical characters viz. syngenesious, introrse, ovary unilocular, inferior, with basal placentation, style slender stigma bifid; fruit cypsela. convincing. found in the family. *ASTERACEAE Flower: Incomplete, Perfect or Imperfect). In addition, the florets open from the outside inwards. Tap root, sometimes modified into tubers (Dahlia). individual flowers. 7. are missing or are transformed into a pappus or similar structures From 2. The roots of Helianthus tuberosus are edible. TOS4. Gynoecium bicarpellary, syncarpous, inferior, unilocular. Capitulum crowded in sub-corymbose umbellate panicles; capitulum of homogamous ray florets only. It is one of the largest families of flowering plants. 8. Economic Uses: - This family contains a considerable diversity of cultivated food crops such as mustard, cress, kale and cabbage (Brassica oleracea), Content Guidelines 2. Mostly 5 stamens are Stamens 5, epipetalous, syngenesious, dithecous, sagittate, basifixed introrse, superior. Floral Formula : 00 Many plants belonging to the family are sources of pulses (gram, arhar, sem, moong, ... Asteraceae. Corolla: Sympetalous, 5-lobed or 6-cleft, actinomorphic (in disc-florets) or zygomorphic or ligulate (in ray- florets). Propagation type:Seeds and fruits Distribution: The members of this family are distributed throughout the world. Botany, Plant Taxonomy, Angiosperms, Dicotyledons, Families, Asteraceae. It is the largest family of dicotyledons, comprising 950 genera and 20,000 species, out of which 697 species occur in India. Characters of Asteraceae 2. Herbaceous, erect, fistular, milky, branched, green, rough and angular. General floral formula: * or ↓ K0 [C (5) A5 (connate)] G (2) inferior Hermaphrodite Asteraceae are protandrous, i.e., it first mature the male flower organs. 2. 12. Affinities 5. 5. Takhtajan traces the origin of Campanulales, Calycerales and Asterales from the order Gentianales. The family Apiaceae throws some light on the origin of sympetalous advanced families like Rubiaceae and Asteraceae. 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. *ASTERACEAE Flower: Incomplete, Perfect or Imperfect). 1. imitate rich deposits of pollen for the insects. endive, artichoke, chicory and aromatic herbs such as wormwood and Floral formula and floral diagram. The members of this family are worldwide in distribution. Salvia officinalis: Habit: An annual, cultivated herb. Stein: Herbaceous; spiny or without spines; cylindrical, hairy. common blanketflower (Gaillaria aristata)originates very impressive member of this family. are well known garden plants. It is obtained from Solidago laevenworthii and Taraxacum. Stamens epipetalous and syngenesious. Name the types of nitrogenous bases present in the RNA. Corolla: Petals 5, gamopetalous, tubular, coloured. The seeds of Helianthus and Artemisia yield oil. 4. Asteraceae; Sunflower family – General characters , floral formula , floral diagram , economic importance and common species Syed Muhmmad Muzammil Gilani June 20, 2019 Angiosperm families , … Fruit simple, in some mechanism of wind dispersal (parachute). Disclaimer Copyright, Share Your Knowledge The ‘Virtual Floral Formula’ will allow you to improve your skills in recognising the major flower parts, while learning how to prepare floral formulae. Taxonomists have assigned different systematic position to the family. In this article we will discuss about:- 1. The bracts at the flower base in some species are transformed 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) Zinnia, Dahila, Cosmos, Chrysanthemum, Calendula, Helichrysium, Aster Helianthus etc. The use of floral formulas helps us see features … Inflorescence: Privacy Policy3. disk florets in the center, that look like stamens and therefore He also relates Asteraceae with Calyceraceae and other families of the other Campanulales. Calyx 5, gamosepalous, persistant, corolla 5, gamopetalous. Bracteate, sessile, complete, hermaphrodite, homogenous, all ligulate, zygomorphic, pentamerous, epigynous, small. Alternate above and opposite below, simple, petiolate, exstipulate, ovate, dentate margin, acute apex, unicostate reticulate venation. The family – Asteraceae. it arise a corolla tube which merges into a usually slightly dilated Stamens 5, epipetalous, syngenesious, basifixed, dithecous, introrse, superior. usually land on the periphery of the head. Cauline, alternate, simple, lyrate-irregular shape, dentate spinous margin, unicostate reticulate. strong compression of the pedicels and the stem axis, so that the the bonded anthers and presses out the pollen. Erect, or prostrate, herbaceous or woody (Artemisia), hairy, sometimes with latex. Lactucoideae (Liguliflorae): All flowers ligulate latex present; with single tribe. The common species of pulses are Grain, Pea, and Kidney bean. In capitulum or head the form of flowers and distribution of sex also varies. (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. 19. East 3. To the composites belong ornamental plants such as asters, Bracteate, sessile, complete, hermaphrodite, tubular, actinomorphic, pentamerous, epigynous. Petals 5, gamopetalous, ligulate, valvate, superior, yellow. In India this family is represented by about 138 genera … Food: Most of the important pulses are belonged to this family. dicotyledons in the world (more than 1000 genera with over 22,000 The outer or ray-florets are ligulate and zygomorphic and inner or disc-florets tubular and actinomorphic e.g. attracted more effectively by a large pseudanthium, than of many tiny Leaves of Lactuca sativa are used as salad. Habit: Annual or perennial herbs or small shrubs or small tree or climbers. (b) Disc florets, in the centre and tubular. Bracteate, sessile, incomplete, zygomorphic, ligulate, pistillate or neuter, epigynous. Stem: Herbaceous, aerial, erect, solid, grooved, quadrangular, hairy, branched. used to make absinthe – a high proof alcoholic spirit. florets or tridentate ligulate florets at the margin and entire leaves. Asteraceae is important primarily for its many Bentham and Hooker placed the family under Gamopetalae just after Rubiales. ... Asteraceae is … A head or capitulum, consisting of a few or large number of flowers or florets closely arranged on an axis surrounded by involucral bracts. Stem: Erect or climber; Solanaceae includes herbs, shrubs, small trees, and climbers. 07. Homogamous-non-rayed or discoid heads. Roots: Fibrous tap root. 3. What is its function? This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. A floral formula is a way to represent the structure of a flower using specific letters, numbers and symbols, presenting substantial information about the flower in a compact form. throat, in which the stamens are inserted. Fodders: Medicago sativa (Alfalfa) is one of the best forage crops. The wormwood, Artemisia absinthium, is En esta presentación podemos encontrar las características de la Familia Asteraceae,su diagrama y fórmula floral. 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. Distribution of Asteraceae 3. Common to all is that the individual flowers are In India the family is represented by 180 species and 30 genera. Bicarpellary, syncarpous, inferior, unilocular, basal placentation, single basal ovule; style simple, stigma bifid. In theor y, a floral formula could itself . Capitula large with two kinds of flowers: (a) The peripheral flowers or ray florets, which are large, attractive and ligulate. The “floral formula” is a shorthand method of setting forth the details of flower structure. Asia. The Asteraceae flower heads can be homogamous or heterogamous. Five toothed, gamopetalous, ligulate, strap-shaped, superior, valvate, yellow. asteraceae family in hindi//sun flower family//floral diagrame//floral formula. Due to small flowers much of the material is saved. The calyx is represented by pappus. 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. flowers in the male stage, picks up the pollen and thus pollinate the Sub-family. The Asterioidae possess either only disk Fabaceae b. usually alternate, toothed, lobed, feathery, corrugated, serrated or the plant. Erect, herbaceous above and woody below, cylindrical, solid, branched, glabrous ordinary. worldwide represented, most species-rich  family of cal disc f lower o f Asteraceae, the shared corolla–filament tube . The juice of Emillia sonchifolia leaves has cooling effect and is used in eye inflammation and also for night blindness. The roots of Taraxacum used in bowel disorders. - Bracteate, sessile, complete, hermaphrodite, actinomorphic, pentamerous, epigynous and tubular. Leaves exstipulate, opposite or whorled. The Virtual Floral Formula All of these flowers are from species in the Proteaceae. from North America, Ligularia The Virtual Floral Formula All of these flowers are from species in the Proteaceae. With more than 1,620 genera and 23,600 species of herbs, shrubs, and trees distributed throughout the world, Asteraceae is one of the largest plant families. 00 Match the columns I and II, and choose the correct combination from the options given Column I Column II a. Monocarpellary, unilocular 1. with 5 short lobes or in a long, wide ligule. First leaves: . Corolla: Sympetalous, 5-lobed or 6-cleft, actinomorphic (in disc-florets) or zygomorphic or ligulate (in ray- florets). tarragon. (ASTERACEAE (COMPOSITAE) Sunflower Family) Diagnostic characters. What is a mushroom shaped gland? Which organelle is known as “power house” of the cell? If the insect wanders now further inward, it reaches the Floral Formula and Important Families of Flowering Plants, Class 11 20140710130430_image002: pin. 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 Heterogamous or radiate heads. Herbs (Ageratum, Lactuca, Dahlia, Sonchus), shrubs (Inula, Senecio) rarely trees (Vernonia arborea and Leucomeris). The corolla tube often ends Put Baking Soda On Your Garden Plants and This will Happen - Duration: 3:27. Asteraceae 1-Floral formula. lactiferous Insects Stamens 5, epipetalous, syngenesious, dithecous, introrse, dehiscing longitudinally. Welcome to BiologyDiscussion! Presence of intraxylary phloem, medullary and cortical bundles and anamolous secondary growth. Represented by pappus i.e., tuft of hairs, superior. Asteraceae - Tridax procumbens L.. Family: Asteraceae. Some species in the periphery have ray florets and in the center disc The four major floral parts are always shown in the same order; sepals (CA), petals (CO), stamens (A), and carpels (G). 1-Floral formula. They are generally easy to distinguish from other plants, mainly because of their characteristic inflorescence and other shared characteristics. Leaves: Opposite decussate, exstipulate, petiolate, simple, ovate, crenate margin, acute apex, sparsely hairy, unicostate reticulate venation. Bracteate, sessile, complete, hermaphrodite, zygomorphic, pentamerous, epigynous, all ligulate, yellow. Flowers arranged to form capitulum inflorescence. Where are the pollen grains formed in the flower? 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) Eclipta alba used as tonic in spleen enlargement. Common name:Asteraceae, Compositae Number of genera:Asteraceae is also known as Compositae. Petals 5, gamopetalous, a short basal tube and a large flat strap shaped limb, with 5 teeth (sometimes lesser) indicating the number of petals. These characteristics match with flower of family Asteraceae. Bicarpellary, syncarpous, inferior, unilocular, basal placentation, ovule single, style single, stigma bifid. In addition, the … species) mainly consisting of herbs with a basal leaf rosette and Australian Plant Family Recognition. pollinate up to 100 flowers at the same time, without having to change The calyx is represented by pappus. Comparison between Orchidaceae and Asteraceae, Comparison among Asteraceae, Apiaceae and Rubiaceae, Moringaceae: Characters, Distribution and Affinities. Androecium: Stamens 5, epipetalous, filaments separate, anthers usually united to form a tube around the style, dehiscence introse, and superior. Yeast: Origin, Reproduction, Life Cycle and Growth Requirements | Industrial Microbiology, How is Bread Made Step by Step? 6. These pulses are used as food. marigolds, chrysanthemums, gerbera and dahlias, and medicinal herbs Hermaphrodite Each such head is ordinarily subtended by an involucre of small modified leaves (bracts). Absent, or if present then bicarpellary, syncarpous, inferior, unilocular, basal placentation, simple style, bifid stigma. Herbaceous, reduced but trailing, cylindrical, solid, glabrous. Pappus or reduced, modified into 2-3 scales, persistent. 5, gamopetalous, tubular, 5 toothed, teeth represents the number of petals, valvate. Flowers sessile, small, inconspicuous. Mostly herbs or shrubs or rarely trees; leaves alternate rarely opposite, exstipulate rarely stipulate; inflorescence capitulum or head surrounded by involucre of bracts; ray and disc florets, flower tubular or ligulate, flowers bi- or unisexual or outer male or female, pentamerous, actinomorphic or zygomorphic, caryxpappus, corolla gamopetalous, petal lobes 5, stamens 5, epipetalous, usually dithecous, filament free and anthers united i.e. Ramal and cauline, alternate, simple, petiolate, exstipulate, ovate, serrate, acute, surface hispid, unicostate reticulate venation. AIPMT 1991: K(5) C(5) A(5) G(2) is floral formula of (A) liliaceae (B) solanaceae (C) asteraceae (D) fabaceae.. FLORAL FORMULA. This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. Species: Tridax procumbens L.. Weed type: Broadleaf. Before sharing your knowledge on this site, please read the following pages: 1. 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. The nectar is secreted by a ring shaped disc found the base of the style. 3. combined into a big pseudanthium, which is surrounded by phyllaries. Root: Tap, branched.
2020 asteraceae floral formula