Taxonomy and Systematic Botany — BIO BOTANY STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYTaxonomy and Systematic Botany5 Marks
Question
Explain Clitoria ternatea in botanical terms. Draw floral diagram.
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Answer
Habit: Twining climber
Root: Branched tap root system having nodules.
Stem: Aerial, weak stem and a twiner.
Leaf: Imparipinnately compound, alternate, stipulate showing reticulate venation. Leaflets are stipellate. Petiolate and stipels are pulvinated.
Inflorescence: Solitary and axillary
Flower: Bracteate, bracteolate, bracteoles usually large, pedicellate, heterochlamydeous, complete, bisexual, pentamerous, zygomorphic and hypogynous.
Calyx: Sepals 5, synsepalous, green showing valvate aestivation. Odd repel is anterior in position.
Corolla: Petals 5, white or blue apopetalous, irregular papilionaceous corolla showing, descendingly imbricate aestivation.
Androecium: Stamens 10, diadelphous (9) + 1 nine stamens fused to form a bundle and the tenth stamen is free. Anthers are dithecous, basifixed, introse and dechising by longitudinal slits.
Gynoecium: Monocarpellary, uni – locular, with many ovules on marginal placentation, ovary superior, style simple and incurved with feathery stigma.
Fruit: Legume
Seed: Non – endospermous, reniform.
Floral Formula
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