Chimonobambusa multiramosa (Poaceae, Bambusoideae), a new bamboo species from northeast Yunnan, China

Chimonobambusa multiramosa, a new species from Yunnan, China, is described and illustrated. This new species is morphologically similar to C. ningnanica, but differs in having much more branches per culm node, culm leaf sheaths longer than the internodes and sheath-scar bearing tardily deciduous haris. Based on the morphological features, this new species is assigned to Chimonobambusa sect. Oreocalamus.