Dendrocalamus wazibii (Poaceae, Bambusoideae), a new bamboo species from Yunnan, China

<i>Dendrocalamus wazibii</i> (Bambusoideae), a new bamboo species is described and illustrated from Cangyuan County, Yunnan, China. Based on careful comparison of morphological and generative characters, we confirmed its identity as a new member of the genus <i>Dendrocalamus</i>. The morphology of this new species is similar to <i>D. peculiaris</i> and <i>D. tomentosus</i>, but can be easily distinguished from them by having culm leaf ligule 15 mm long (vs. 5-7 mm in <i>D. tomentosus</i> and 6-10 mm in <i>D. peculiaris</i>), linear culm leaf auricle (vs. absent in <i>D. tomentosus</i> and <i>D. peculiaris</i>), anther 2-2.5 mm long (vs. 2.5-3 mm in <i>D. tomentosus</i>; vs. 3-3.5 mm in <i>D. peculiaris</i>), stamen 5 mm long (vs. 6 mm in <i>D. tomentosus</i>; vs. 10 mm in <i>D. peculiaris</i>). According to the IUCN Red List Categories and Criteria (IUCN 2024), it meets the criteria to be listed as Data Deficient (DD).