It includes 420 genera and 7000 species, with 754 in India. Select Page. The ovary in such flowers is said to be superior. Solanum nigrum (Black Nightshade, vern. 5, gamosepalous campanulate or tubular, persistent, accrescent (enlarging in fruit, e.g., Physalis, Withania,), aestivation valvate, hairy, inferior. Specimen copy of Resonance Distance Learning program for NEET. The parts of a flower can be classified into four whorls. Accessory floral orogans undifferentiated and collectively called perianth. If all of the whorls in a given floral arrangement have the same merosity, the flower is said to be isomerous, otherwise the flower is anisomerous. The extra axillary position is formed due to the union of peduncle with the stem for some distance beyond the axil. Trimerous definition: (of plants) having parts arranged in groups of three | Meaning, pronunciation, translations and examples 7 years ago. Free e-mail watchdog. How the vascular cambium is responsible for secondary growth? Roasted groundnut seeds are eaten. Herb, shrub, tree, trailer, creeper, twiner, climber, etc. Class— Dicotyledoneae. It does not give information about: (ii) Relationship with members of the same or different series. Atropa belladona (Deadly Nightshade, vern. Bulbs of Urginea maritima and Scilla yield raticide. Arhar). (5) Calyx 5, gamoespalous with odd sepal anterior. Tap or adventitious root system, any speciality or modification. Now press the flower to the mother axis and note whether the mother axis lies opposite a sepal, petal or tepal. Share Your Word File
The leaves contain a colourless chemical which on exposure to air turns bluish. This structure was formerly regarded as pointing to the fusion of two organs, and the pale was considered by Robert Brown to represent two portions soldered together of a trimerous perianth - whorl, the third portion being the " lower pale.". Lathyrus odoratus. The seeds of Abrus precatorius (a climber) are employed as weights by jewellers. Ram Datun) yield sarsaparilla like drug for purifying blood (curing boils), piles, leprosy, gonorrhea, etc. The apocarpous polycarpellary gynaecium is shown by double-lined circles in the centre according to the number of carpels present. Share Your PPT File. So in fuchsias, a very common deviation consists in a trimerous and rarely a dimerous symmetry of the flower. Visit @ … It is cosmopolitan family of 250 genera and 4000 species, about 200 of which occur in India. Type 1. This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. Dalbergia sisso (Sisso), Dalbergia latifolia (Indian Rosewood) and other species, Pterocarpus marsupium (Indian Kino), Butea monosperma (vern. 5.138). Superior ovary or gynaecium is indicated by a bar below the number of carpels while the inferior condition is represented by a bar or horizontal line above the number of carpels, e.g., (Gynaecium bicarpellary, syncarpous, superior); (Gynaecium bicarpellary, syncar pous, inferior). Perianth 6, in two alternate whorls. This structure was formerly regarded as pointing to the fusion of two organs, and the pale was considered by Robert Brown to represent two portions soldered together of a trimerous perianth - whorl, the third portion being the " lower pale." (iv) Fresh leaf juice of Abrus precatorius (Jeweller’s Weights, Ratti) is useful in Fig. Endospermic or non-endospermic; monocotyledonous or dicotyledonous shape and size. Sem), Pea (Pisum sativum), Gram (Cicer arietinum), Lentils (Lens culinaris — L. esculenta, vern. 6, in two whorls of 3 each, free or fused, sepaloid or petaloid, scarious or membranous, aestivation valvate or imbricate, distinguished into calyx and corolla in Trillium, inferior. (3) Trimerous, hypogynous and pentacyclic flowers. Subclass— Gamopetalae. ‘The fossil flower, Lauranthus futabensis, gen. et sp. Similarly, at least one of these traits, parallel leaf veins, is far from universal among the monocots. The monocots have some distinct features that include the presence of adventitious roots, simple leaves with parallel venation, and trimerous flowers. A very minute joint at the base of the claw-joint, in most Tetramerous and Trimerous beetles. Allium сера (Onion, vern. Trimerous definition is - having the parts in threes —used of a flower and often written 3-merous. The floral diagram is a diagrammatic representation of theoretical transverse section and ground plan of a floral bud in relation to the mother axis which lies at the posterior side. (6) Androecium 5, polyandrous and epipetalous. Dhak) have antifungal and anthelmintic properties. One of the distinguishing features of monocots is that their flowers are trimerous, i.e., the flower parts are arranged or structured in multiples of three with one stigma and sepals less than or equal to the number of petals. 5, gamosepalous, usually campanulate, lobes unequal, rarely tubular (e.g., Cyamopsis), aestivation imbricate, odd sepal anterior, may be persistent, inferior. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. It comes from the dried and cured leaves of Nicotiana tabacum and N. rustica. Important Types. Bracteate or ebracteate, pedicellate, regular, actinomorphic, zygomorphic in a few cases (e.g., Gilliesia), complete or incomplete, perfect, unisexual in Smilax and Ruscus, hypogynous, generally pentacyclic, trimerous (rarely bimerous or tetramerous). Ebracteate, ebracteolate, complete, perfect, regular, actinomorphic, cyclic, pentamerous in the outer three whorls, hypogynous, white. B) Hibiscus. Some of the examples include bamboos, sugarcane plants, banana, cereals, lilies … ADVERTISEMENTS: In this article we will discuss about:- 1. Herbaceous or woody, erect, twining (e.g., Lablab) or climbing (e.g., Pisum), stem branches are modifed into thorns in Alhagi pseudalhagi (= A. maurorum, Camel Thom, vern. Dhak). The bulbs of Onion (Allium сера) and Garlic (Allium sativum) are also edible. Still have questions? Some herbs are annual (e.g., Asphodelus). Generally, monocots are small and herbaceous. grossum, vern. (1) Plants usually perennial herbs or shrubs. Order—Liliales. Five, gamosepalous (5-partite), campanulate (oblique), free lobes unequal, odd sepal anterior, hairy, persistent, green, inferior. They are all represented by symbols which are as follows: The numbers of parts are written at the right foot of the symbol. Pteridophytes - Ferns, Horsetails and Club Mosses Legumes - Beans, Peas and Lentils The Angiosperms or Flowering Plants. Biology, Flowering Plants, Plants, Structural Organisation. Mako or Makoh, Fig. Perianth : The fruits of some Physalis species (e.g., P. peruviana, Gooseberry, vern. A flower in which the parts are arranged in twos is called dimerous; when the parts of the whorls are three, four or five, the flower is trimerous, tetramerous or pentamerous, respectively. These whorls are called the 1) Calyx 2) Corolla 3) Androecium 4) Gynoecium The outermost whorl is called the sepal/ calyx. Axillary or extra axillary helicoid or umbellate cyme, rarely solitary axillary (e.g., Petunia) or terminal (e.g., Datura). (8) Gynoecium monocarpellary, ovary unilocular with marginal placentation. Answer #1 | 25/08 2015 05:40 Psssh I doubt she will think of you differently because of some whack friends. Disclaimer Copyright, Share Your Knowledge
Cauline and ramal, alternate (rarely opposite or whorled), rarely simple (e.g., Crotalaria), generally pinnate compound, stipulate, stipules foliaceous in Lathyrus aphaca (Wild Pea), leaf base pulvinate, leaves (e.g., Lathyrus aphaca) or leaflets (e.g., Pisum sativum, Lathyrus odoratus) modified into tendrils, two lateral leaflets of Telegraph Plant (Desmodium motorium or D. gyrans) show autonomous movements. Type of fruit, size, shape, number of seeds. Some of the floral formulae of the common flowers are as follows: (Ebracteate, Actinornorphic, Bisexual; Calyx- 5, free; Corolla- 5, free; Androecium numerous, free; Gynaecium— polycarpellary, apocarpous, superior). Angurshafa) yield belladona for relieving pain externally, cough and excessive perspiration internally and atropine for dilating pupil. Tweet. Describe like calyx and corolla, substituting the word sepalous or petalous with phyllous. Roots of Withania somnifera (Ashwagandha) are used to cure rheumatism and general weakness. Series—Coronarieae. The juice of Garlic (Allium sativum) is useful against bronchitis, flatulence, blood pressure and gout. The petals are arranged in descending imbricate fashion. The floral formula tells us about bracteate or ebracteate nature and the symmetry of the flower, its sexuality, number and union of sepals, petals, stamens and carpels, the insertion of stamens either on the thalamus or fusion with the petals (or perianth) and the superior and inferior position of the gynaecium. Monocarpellary, ovary superior, flattened, elongated, hairy, unilocular, placentation marginal with many ovules present in two alternating rows, shortly stalked, i.e., borne on a short gynophore, style at an angle to the ovary, slightly flattened and hairy, stigma terminal and hairy. Therefore, they are used in crop rotation and green manuring, e.g., Crotalaria, Sesbania, Cyamopsis. Answer for question: Your name: Answers. It is obtained from Xanthorrhoea and Dracaena species. (ii) The seeds of Butea monosperma (Flame of the Forest, vern. TOS4. Soianaceae has 90 genera and about 2000 species, out of which about 60 are represented in India. Jawasa), solid or fistular, cylindrical or angular, may be hairy. Type 1. Many monocots have this type of flower. 5, gamopetalous, variously shaped, campanulate, tubular infundibuliform, rotate, bilabiate in Schizanthus, plicate or folded like a fan in the bud, aestivation valvate inferior. Erect, rarely climbing (e.g., Solatium jasminoides) or prostrate (e.g., Solanum surattense), herbaceous or woody, solid or listular, glabrous hairs or prickles often present, stem tubers occur in Solanum tuberosum (Potato), prickly in Solanum surattense. 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Pressure and gout in this article we will discuss about the description and families of Flowering Plants-NEET - free as. 5- partite ), rotate, white their extract is also used in varnishes and sealing.... Or umbellate cyme, mixed or special Colchicum luteum are used for cough..., fid or partite ), Cowpea ( Vigna aconitifolia = Phaseolus radiatus = P.,! Monocotyledons, the flowers are dimerous, but otherwise identical to trimerous flowers. ’ 1.1 Consisting of joints!