Floral Formula and Important Families of Flowering Plants, Class 11 20140710130430_image002 7. Schizocarpic carcerulus (Abutilon, Malva, Sida), capsule (Hibiscus, Gossypium), berry (Malvaviscus). Floral formula and floral Diagram. The margin usually is entire or serrate, venation is unicostate or multicostate pinnately reticulate. Hibiscus rosa-sinensis – Cultivated in gardens for flowers. Malachra capitata also produces a strong silky fibre like jute and used as a substitute. (ii) Floral Formula % represents flowers of Fabaceae family. The margin usually is entire or serrate, venation is unicostate or multicostate pinnately reticulate. Alternate, simple, petiolate, stipulate, ovate, serrate margin, acute apex, glabrous, unicostate reticulate venation. Inflorescence: typically cymose, solitary cymes in the leaf axil or raceme. A strong silky brown fibre is produced from its stem. 2. Infloresence: Stellate hairs on the young parts, mucilaginous juice present, leaves alternate, stipulate, multicostate reticulate; inflorescence solitary or cyme; flower actinomorphic, hermaphrodite, hypogynous, pentamerous, with epicalyx, calyx free or united, corolla free; stamens indefinite, monadelphous; anthers monothecous, stamens united to form a tube; gynoecium many often five, syncarpous, ovary multilocular, superior, axile placentation; fruit schizocarpic carcerulus or capsule. The Malvaceae is a member of the very distinctive order Malvales. 3. Floral Formula . According to certain authorities nearly all genera can produce some or other kinds of fibres. These pulses are used as food. 38.2): Habit: An annual herb. These hairs are flattened, twisted and from the staple. 8. In pea flower, the aestivation in corolla is known as vexillary. Malva sylvestris is also a garden plant. A floral diagram represents a drawing of a flower as it would appear if all parts were at the same level. [12], The English common name 'mallow' (also applied to other members of Malvaceae) comes from Latin malva (also the source for the English word "mauve"). What are the general characters of bryophytes? Sepals 5, gamosepalous, persistent, hairy, valvate aestivation, inferior. Floral formula is a means to represent the structure of a flower using numbers, letters and various symbols, presenting substantial information about the flower in a compact form. : 307 Polysymmetric flower. Root System: Taproot system. Stigma 5, colored and capitate, pentacarpellary syncarpous, ovary superior, ovary pentalocular with several oculi per locule on the axile placentation. For more such information, visit BYJU’S. Commonly found species of Pakistan are: Hibiscus rosa-sinensis (china rose), Malva sylvestris, Alcea rosea (hollyhock), Abutilon (kangi), Gossypium (cotton), etc. Urena, Goethea, Pavonia. Abelmoschus esculentus gives okra fibres. Urena repanda is supposed to be a cure for hydrophobia. Note these features in the plants or flowers: stellate hairs [use your scope! Stem: aerial, branched, erect, herbaceous, cylindrical, and woody with young portions covered by satellite hairs or trichomes. Describe Hibiscus rosa-sinensis in botanical terms. Species of Malvaceae contained within The Plant List belong to 236 plant genera. The family consists 0f 82 genera and 1500 species. Other species of Hibiscus also produce fibres of minor importance. Pedicellate, bracteate, bracteolate in the form of epicalyx, hermaphrodite rarely unisexual (Napaea), complete, actinomorphic, pentamerous, hypogynous. Gynoecium: long, and simple style, slender passing through the staminal tube. Affinities 5. Erect, branched, cylindrical, solid, woody, glabrous. 72, No. The oil cake is also a very nourishing cattle feed. Alternate, stipulate, petiolate, simple, palmati-lobed with a cordate base, multicostate reticulate venation. Multicarpellary usually five (Hibiscus) or ten (Althaea) indefinite (Abutilon) or 3 (Kydia); syncarpous, ovary superior, penta or multilocular with axile placentation, ovules one to many in each loculus; style one, long, passing through the staminal tube; stigma correspond to the number of carpels. Ramal, cauline, simple, alternate, petiolate, stipulate, palmately 3-5 lobed, hairy, divergent multicostate reticulate. 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(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. : 307 The dot represents the main axis, green structure below is the subtending bract.Calyx (green arcs) consists of five free sepals; corolla (red arcs) consists of five fused petals.Antepetalous stamens are joined to petals by hairy filaments. Economic Importance. Disclaimer Copyright, Share Your Knowledge Wood 38 : 15-36. Leaves: Alternate, petiolate, simple, stipulate, margin crenate, obtuse, upper surface smooth and lower hairy, multicostate reticulate venation. Seeds: one or more seeds per locule, exalbuminous with a curved embryo. Style branches into many stigmata or twice the number, as that of carpels. 5, pages 276-280. The flowers are almost always bisexual and actinomorphic. Calyx : Sepals 5, gamosepalous, usually companulate, lobe unequal, rarely tubular (e.g, Cyamopsis), odd sepal anterior, may be persistent inferior. 4. Inflorescence: Racemose or solitory axillary. Fodders: Medicago sativa (Alfalfa) is one of the best forage crops. Pollination: members of this family mainly exhibit entomophilous pollination, where flowers are colored brightly along with extrafloral nectaries. Floral characters. Erect, cylindrical, green, hairy, woody and solid. The Plant List includes 14,258 scientific plant names of species rank for the family Malvaceae. Stem: Herbaceous, erect, cylindrical, solid, branched, hairy, mucilaginous. Share Your PDF File You just read about the floral formula of Hibiscus. Schumann, K. 1895 : Tiliaceae, Malvaceae and Bombaceae. Androecium: Number of stamens, monadelphous, filaments fuse to form a tubular staminal column around gynoecium, anthers reniform, monothecous, extrorse dehiscing transversally or longitudinally. In this article we will discuss about:- 1. Malvaceae, the hibiscus, or mallow, family (order Malvales) containing some 243 genera and at least 4,225 species of herbs, shrubs, and trees.Representatives occur in all except the coldest parts of the world but are most numerous in the tropics. Welcome to BiologyDiscussion! 1. Cotton is perhaps the most important fibre inspite of many synthetic textile fibres. Food: Most of the important pulses are belonged to this family. Peruvianum whose staple length is 1 7/8 cms covered by stellate hair displaying mucilaginous.... Solitary axillary ( Hibiscus, Urena ), valvate aestivation, inferior is the... Cultivated in tropics ; perennial 1500 species among which 111 species found in it! 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