Inflorescence is edible in Brassica oleracea
Var. botrytis
Var. capitate
Var. gongyloides
Var. gemifera
The whorl of bracts present below the infloresence of Helianthus is
A stem with distinct solid nodes and hollow internodes is
Aril helps in
The florets $(small\,\, sessile\,\, flowers)$ in capitulum of sunflower are arranged in