Ototropis is a genus of flowering plants in the family Fabaceae, found from Afghanistan, the Indian Subcontinent through to southern China including Taiwan, Southeast Asia, Indonesia and on to New Guinea, and introduced to Japan. There has been some nomenclatural confusion regarding this taxon over the centuries.
Species Currently (as of 2023) eight species are accepted:
Ototropis amethystina (Dunn) H.Ohashi & K.Ohashi Ototropis conferta (DC.) H.Ohashi & K.Ohashi Ototropis hayatae (H.Ohashi) H.Ohashi & K.Ohashi Ototropis khasiana (Prain) H.Ohashi & K.Ohashi Ototropis kulhaitensis (C.B.Clarke ex Prain) H.Ohashi & K.Ohashi Ototropis likabalia (Bennet & Sum.Chandra) H.Ohashi & K.Ohashi Ototropis multiflora (DC.) H.Ohashi & K.Ohashi Ototropis siamensis
Former species; Ototropis kingiana (Prain) H.Ohashi & K.Ohashi, has been transferred to a new genus as Daprainia kingiana Ototropis elegans (DC.) H.Ohashi & K.Ohashi, a synonym of Sunhangia elegans Ototropis megaphylla (Zoll. & Moritzi) H.Ohashi & K.Ohashi, a synonym of Puhuaea megaphylla Ototropis sequax (Wall.) H.Ohashi & K.Ohashi, a synonym of Puhuaea sequax Ototropis yunnanensis (Franch.) H.Ohashi & K.Ohashi, a synonym of Sunhangia yunnanensis
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