Pineapple (ananas) fruit develops from
a multilocular monocarpellary flower
a unilocular polycarpellary flower
a multipistillate syncarpous flower
a cluster of compactly borne flowers on a common axis.
Buttress roots are
Inflorescence is edible in Brassica oleracea
Rauwolfia serpentina belongs to family
A disc like reduced stem is found in