Vallaris is a genus of plants in the family Apocynaceae first described as a genus in 1768. It is native to China, the Indian subcontinent, and Southeast Asia.Flora of China Vol. 16 Page 177 纽子花属 niu zi hua shu Vallaris N. Burman, Fl. Indica. 51. 1768.
Species Vallaris glabra (L.) Kuntze – bread flower, kesidang (Malay) – Java, Flores, Sumatra; naturalized in W Malaysia, Thailand, Christmas Island Vallaris indecora (Baill.) Tsiang & P.T.Li – Guangxi, Guizhou, Sichuan, Yunnan Vallaris solanacea (Roth) Kuntze – India, Sri Lanka, Pakistan, Nepal, Bhutan, Bangladesh, Cambodia, Laos, Myanmar, Thailand, Vietnam, Hainan; naturalized in Andaman Islands
formerly included Vallaris anceps = Kibatalia macrophylla Vallaris angustifolia = Kibatalia gitingensis Vallaris arborea = Kibatalia macrophylla Vallaris clavata = Echites clavatus Vallaris daronensis = Kibatalia maingayi Vallaris divaricata = Strophanthus divaricatus Vallaris fimbriata = Euphorbia mammillaris Vallaris gitingensis = Kibatalia gitingensis Vallaris ipecacuanhae = Euphorbia ipecacuanhae Vallaris lancifolia = Micrechites lancifolius Vallaris laxiflora = Pottsia laxiflora Vallaris macrantha = Beaumontia macrantha Vallaris maingayi = Kibatalia maingayi Vallaris missurica = Euphorbia missurica Vallaris portulacoides = Euphorbia portulacoides Vallaris × uniflora = Euphorbia × uniflora
References
Further reading
Ng, F.S.P. (2006). Tropical Horticulture and Gardening. Clearwater Publications, Kuala Lumpur, Malaysia, 361 p., .