(Botany)(of a stalkless leaf or bract) extended at the base to encircle the node, so that the stem apparently passes through it (植)(茎)穿叶的(叶)抱茎状的 ■(of a plant) having such leaves (植物)有茎穿叶的
语源
late 17th cent.: from modern Latin perfoliatus, from Latin per- 'through' + foliatus 'leaved'