perfoliate
🇬🇧/pəˈfəʊlɪət/ 🇺🇸/pərˈfoʊlɪˌeɪt/(of a leaf) having a base that completely encloses the stem, so that the stem appears to pass through it (叶子)抱茎状的
adjective [原级]茎贯穿叶而生长的；贯穿性的；[植] 抱茎状的
Coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers.
美洲多年生粗杂草，茎穿过巨大的叶子，花紫色或暗红色。
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