• (n.) The perianth.
Synonym for perianth ... <plant biology> The calyx and corolla of a flower, especially where the two are similar. ... (09 Oct 1997) ... 
Per`i·an'thi·um noun [ New Latin ] (Botany) The perianth. 
Flower head or cap (grch. cover, lid) above the flower buds; see there. Flower bud The flower bud of the cultivated grapevine is a hermaphrodite flower, i.e. it contains the male and female sexual organs united in a single flower bud, which makes fertilisation much easier than with unisexual plants. The male sexual organs are the pollen-produc...