The leaves were observed to have clear subepidermal cells , which were a part of multi - epidermis 叶的皮下层细胞显著，它们是复表皮的一部分。
2.
Special subepidermal cells were found to exist beneath the epidermises of h . cordata stems and leaves and secretory cells were found to exist in the cortex and pith of the stems 鱼腥草茎和叶的表皮下有特殊的皮下层细胞，茎的皮层和髓中有分泌细胞存在。
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