单词 rostellate 释义 rostellate, a. Bot., etc.[f. rostell-um + -ate.]Having a rostellum.1826Kirby & Sp. Entomol. IV. xlvii. 384 Mouth perfect, or rostellate.1830Lindley Nat. Syst. Bot. 257 Characterised by having..a superior perianthium and rostellate se...