单词 involucral 释义 involucral, a. Bot.|nvl(j)ukrl|[f. L. involcr-um involucre + -al1. So in mod.F.]Of or pertaining to an involucre.1845Lindley Sch. Bot. vi. (1858) 86 Outer involucral scales lanceolate.1857H. Miller Test. Rocks xi. 480 The involucral...