旋花羊角拗
山羊百科，林文智老師的植物、山岳、攝影紀錄
- 羊角拗属 Strophanthus
Strophanthus gratus (Wall. & Hook.) Baill.
- Nerium guineense Brongn. ex Perrot & Vogt
- Roupalia grata (Wall. & Hook.) T. Moore & Ayres
- Roupellia grata Wall. & Hook.
- Strophanthus chopraie M. R. Almeida
- Strophanthus glaber Cornu ex Holmes
- Strophanthus gratus Franch.
- Strophanthus ouaboio Holmes
- Strophanthus perrotii A. Chev.
- Strophanthus stanleyanus Hook.
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