Morphology of Flowering Plants Question 16

16. Heterospory and seed habit are often discussed in relation to a structure called

(a) spathe

(b) bract

(c) petiole

(d) ligule

Show Answer

Answer : d

Hints & Solutions

(d) Heterospory, development of seed habit and ligulate leaves are important features of Selaginella. The reproductive structure in Selaginella is strobilus. A strobilus has many ligulate sporophylls. Two types of spores are produced megasporophylls and microsporophylls. Ligule is a small leaf like outgrowth at the base of leaf.