Thyrsostachys is a genus of Chinese and Indochinese bamboo in the grass family. Species 1. \n* Thyrsostachys oliveri Gamble - edible-seeded bamboo - Yunnan, Myanmar, Laos, Thailand; naturalised in Assam + Bangladesh 2. \n* Thyrsostachys siamensis Gamble - monastery bamboo, Thai bamboo, umbrella bamboo, Thai umbrella bamboo, umbrella-handle bamboo - Yunnan, Myanmar, Laos, Thailand, Vietnam; naturalised in Sri Lanka, Bangladesh, Peninsular Malaysia