Question

Consider the following features (a-c) and select the plant associated with them.
(a) Cruciform corolla
(b) Tetradynamous condition
(c) Presence of replum in ovary

• A. Mustard
• B. Gulmohar
• C. Solanum
• D. Lily

Answer 1

Answer: (A)

Brassiceae family, also known as the mustard family of flowering plants are comprised of 338 genera and some 3700 species.
The vegetative characteristics of Brassiceae
-they have a taproot system.
-their stems are erect, cylindrical, hairy or glabrous, herbaceous or rarely woody.
-their leaves are radical, cauline and ramal, alternate, exstipulate with sheathing leaf base, sessile simple or rarely compound.
The floral characteristics of Brassiceae
-their inflorescence is racemose-raceme, corymb, corymbose raceme and corymb of corymbs (e.g., Cauliflower).
-their flowers are ebracteate or rarely bracteates, pedicellate, complete, perfect, regular, actinomorphic, rarely zygomorphic, tetramerous, hypogynous, cyclic, cruciform.
-the calyx has 4, polysepalous, aestivation imbricate, inferior.
-the corolla. 4, polypetalous, cruciform, alternating with the sepals, inferior. Petals reduced or absent
-the androecium has 6 stamens, polyandrous, tetradynamous, anthers basifixed or dorsifixed, dehiscence longitudinal, inferior.
-the gynoecium is bicarpellary, syncarpous, carpels placed transversely, ovary bilocular due to the presence of a false septum called replum, style short, stigma capital, simple
-their fruit is sliqua or silicula
-their seeds are non-endospermic, often oily.