Sphyranthera is a plant genus of the family Euphorbiaceae and the only genus of its tribe (Sphyranthereae). It was first described in 1887. The entire genus is endemic to the Andaman & Nicobar Islands in the Bay of Bengal, politically part of India but geographically closer to Myanmar. Species Sphyranthera airyshawii Chakrab. & Vasudeva Rao - N Andaman Islands Sphyranthera lutescens (Kurz) Pax & K.Hoffm. - N Nicobar Islands + C Andaman Islands References Euphorbiaceae genera Acalyphoideae Flora of the Andaman Islands Flora of the Nicobar Islands