The flowers of Acacia retinodes are grouped in heads of about twenty flowers. When each flower bud opens the pistil protrudes above the unopened anthers, but within about 24 hours the style and stigma have dried out and the anthers have opened. Flower development within a single flower head is not usually synchronised. Acacia retinodes plants are
A) monoecious.
B) dioecious.
C) protandrous.
D) bisexual.
E) protogynous.

Question

Quizplus · Accepted Answer

The description indicates that the pistil (female part) matures before the anthers (male part), which is characteristic of protogynous plants.

The Flowers of Acacia Retinodes Are Grouped in Heads of About