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.
