Abstract: There was no description or record for the reproductive organs of Bambusa diaoluoshanensis Chia et H. L. Fung in the “Chinese Flora”［Tomus 9(1)］ and other related literature. In this paper, the author gathered and manufactured its reproductive organ specimen and described it both in Latin and in Chinese. Its main features were: the flowering branch 70~170 cm; the inflorescence is racemes or simple panicle; the axis of inflorescence is thick, and the node is distict; there are 4~5 florets in a spikelet, and the spikelet is non-stem; small rachis internodes glabrous, and the pikelet like a stick; there are 2 membrane glume; the lemma is longer or equal to the palea; there are 2 squamas, and 6 stamens; its ovarium like ovatum; there are 3 brushy tigmas; did not see the caryopsis; flowering February-March. The specimen was collected from Xiamen Botanical Garden.

Key words: Bambusoideae Nees, Bambusa Retz. corr. Schreber, B.diaoluoshanensis Chia et H. L. Fung, reproductive organ, description