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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.
Davidsonia 18:2 53Brummitt, R. K. 1998. Report of the Committee for Spermatophyte. Taxon47: 863-872.Clayton, W.D., Harman, K. T., and Williamson, H. 2006 onwards. GrassBase- The Online World Grass Flora. http://www.kew.org/data/grassesdb.html.Accessed 26 February 2007.Del Tredici, P. 1998. The first and final flowering of Muriel’s bamboo. Arnoldia58: 11-17Filgueiras, T. S., and Pereira, B. A. S. 1988. On the flowering of Actinocladumverticillatum (Gramineae: Bambusoideae). Biotropica 20: 164-166.Franklin, D. C. 2004. Synchrony and asynchrony: observations and hypothesesfor the flowering wave in a long-lived semelparous bamboo. Journal ofBiogeography 31: 773-786.Gielis, J., Goetghebeur, P., and Debergh, P. 1999. Physiological aspects ofdevelopment and experimental reversion of flowering in Fargesia murielae(Poaceae: Bambusoideae). Systematics and Geography of Plants 68: 147-158.Grass Phylogeny Working Group. 2001. Phylogeny and subfamilial classificationof grasses (Poaceae). Annals of the Missouri Botanical Garden 88:373-457.Guo, Z.-H., Chen, Y.-Y., Li, D.-Z., and Yang, J.-B. 2001. Genetic variation andevolution of the alpine bamboos (Poaceae: Bambusoideae) using DNAsequence data. Journal of Plant Research 114: 315-322.Guo, Z.-H., Chen, Y.-Y., and Li, D.-Z. 2002. Phylogenetic studies on theThamnocalamus group and its allies (Gramineae: Bambusoideae) basedon ITS sequence data. Molecular Phylogenetics and Evolution 22: 20-30.Guo, Z.-H., and Li, D.-Z. 2004. Phylogenetics of the Thamnocalamus groupand its allies (Gramineae: Bambusoideae): inference from the sequencesof GBSSI gene and ITS spacer. Molecular Phylogenetics and Evolution30: 1-12.Janzen, D. H. 1976. Why bamboos wait so long to flower. Annual Review ofEcology and Systematics 7: 347-391.John, C. K., and Nadgauda, R. S. 2002. Bamboo flowering and famine. CurrentScience 82: 261-262.Judziewicz, E. J., Clark, L. G., Londoño, X., and Stern, M. 1999. AmericanBamboos. Smithsonian Institution Press, Washington, D.C.
Page 1: Volume 18, Number 2April 2007Davids
Page 4 and 5: 42lection and successful propagatio
Page 8: 46The genus FargesiaThe genus Farge
Page 11 and 12: Davidsonia 18:2 49Photo: E.P La Fou
Page 13: Davidsonia 18:2 51Description of le
Page 17 and 18: Davidsonia 18:2 55(Gramineae: Poace
Page 19 and 20: Davidsonia 18:2 57Photo: Peter Whar
Page 21 and 22: Davidsonia 18:2 59profile were the
Page 23 and 24: Davidsonia 18:2 61Carrierea calycin
Page 25 and 26: Davidsonia 18:2 63or cordate to cun
Page 27 and 28: Davidsonia 18:2 65FruitFruits are d
Page 29 and 30: Davidsonia 18:2 67duced our collect
Page 31 and 32: Davidsonia 18:2 69Although, Wilson
Page 33: Davidsonia 18:2 71early July. Even
Page 39: Table of contentsEditorialTaylorThe

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