Question

Which of the following is or are not characteristic features of Asteraceae?
A.Cypsela type of fruit
B.Syngenesious stamens
C.Ovary bicarpellary and superior
D.Placentation marginal
E.Head type of inflorescence

• A. (B), (C) and (D) only
• B. (C) and (E) only
• C. (C) and (D) only
• D. (A) and (B) only
• E. (C) only

Answer 1

The correct option is C (C) and (D) only

In Asteraceae, the androecium are 35 in numbers. Androecial members are adnate and coherent with 1 whorl. Stamens are 35. Anthers remain attached at the base(basifixed).
Gynoecium has 2 carpels. Gynoecium is syncarpous and has inferior ovary with 1 locule. Two styles are present which are partially joined. Placentation is basal and the ovules are in the single cavity. Fruit is non-fleshy, indehiscent, a cypsela or a drupe.
So, the correct answer is '(C) and (D) only