描述組4. 腎葉山螞蝗組 Sect. Renifolia Ohashi in Ginkgoana 1:229. 1973.托葉對稱,狹卵形,基部不為耳狀,不抱莖。花萼4裂,裂片等長,與萼筒等長或稍短,上部裂片全緣。莢果腹縫線稍直,背縫線淺波狀或深波狀。組模式種:腎葉山螞蝗 D. renifolium (Linn〕Schindl. (Hedysarum renifolium Linn.)本組我國產1種。下級分類腎葉山螞蝗 Desmodium renifolium (L.) Schindl.