摘 要 ：地黄属特产于我国,本文对该属进行了分类修订。根据地黄属的腊叶标本和活体植物研究,结合地黄属的野外调查,确认地黄属有5个种,并将高地黄Rehmannia elata N.E.Brown ex Prain处理为裂叶地黄R.piasezkii Maxim的一个异名。同时给出地黄属每个种的描述、分布和分种检索表。
Abstract:The genus Rehmannia Liboschitz,which is endemic to China,was revised accor-ding to extensive examinations of herbarium specimens and living plants and field investigations.Five species of the genus Rehmannia were recognized and R.elata N.E.Brown ex Prain was relegated to synonymy under R.piasezkii Maxim. Morphological description,geographical distribution and a key are provided.