in Vancouver, British Columbia, Canada - Davidsonia

526.8–8 mm, 5-nerved. Lemmas 9.8–11 mm long, green at base becomingpurple towards apex, strongly keeled, strongly 7-nerved, keels smoothbecoming pubescent towards apex, margins smooth, backs glabrous(sometimes with occasional hairs) becoming scabrous towards apex;awns minute and mucro-like, 0–0.7 mm. Paleas 8.9–10.7 mm long, 1-3–nerved, bifid, divided apically for 0.2–0.7(–0.9) mm, sulcate, glabrousbut becoming scabrous towards apex. Stamens 3; anthers 3.6–4.8 mmlong, 0.5-0.9 mm wide, bright yellow; filaments 0.1 mm wide, translucent.Styles 2, feathery. Lodicules 2, 2.1–2.8 mm long, triangularshaped, glabrous, apex pubescent, hairs 0.2–0.4 mm long. Fruit notobserved.Specimens examined: British ColumbiaUniversity of British Columbia (UBC), N side of Student UnionBuilding (SUB), lower level, planted on either side of door, westmostclump, in flower, 13 Dec 2006, Saarela 798 (CAN, UBC); UBC, N sideof SUB, lower level, planted on either side of door, eastmost clump,not in flower, 13 Dec 2006, Saarela 799 (CAN); UBC, behind MacMillanbuilding, directly along wall, westmost clump, 13 Dec 2006, Saarela 801(CAN); UBC, behind MacMillan building, directly along wall, eastmostclump, 13 Dec 2006, Saarela 802 (CAN).AcknowledgementsI am grateful to Douglas Justice (UBC Botanical Garden) for information,Paul Hamilton (Canadian Museum of Nature) for help withmicroscope photography, and Lynn Gillespie (Canadian Museum ofNature), Christopher Sears (University of British Columbia), and ananonymous reviewer for constructive comments on earlier versions ofthe manuscript.ReferencesBamboo Phylogeny Group. 2005-2006. Bamboo Biodiversity. http://www.eeob.iastate.edu/research/bamboo/index.html. Accessed 30 July 2007.Bhattacharya, S., Das, M., Bar, R., and Pal, A. 2006. Morphological and molecularcharacterization of Bambusa tulda with a note on flowering. Annalsof Botany 98: 529-535.