Abstract
Fargesia sapaensis N.H.Xia & Y.Y.Zhang, a new species from Lao Cai, Vietnam, is described and illustrated. The new species is similar to F. dracocephala T.P.Yi and F. fansipanensis T.Q.Nguyen, but differs from the former mainly in its mid-culm complement of 3–7 branches at each node, auricles of culm sheaths absent, 2‒6 florets per spikelet, 7‒10 mm long first glume and 2‒3 mm long lodicules, and from the latter by its culm sheaths shorter than culm internodes, 3–4 leaves per ultimate branch, and a mid-culm complement of 3–7 branches at each node.
References
<p class="Reference">Bamboo Phylogeny Group (BPG) (2012) An updated tribal and subtribal classification of the bamboos (Poaceae: Bambusoideae). <em>In</em>: Gielis, J. & Potters, G. (Eds.) <em>Proceedings of the 9<sup>th</sup> World Bamboo Congress</em>, 10-15 April 2012. World Bamboo Organization, Antwerp, Belgium, pp. 3–27.</p><p class="Reference">Franchet, M.A. (1893) Fargesia, nouveau genre de Bambusees de la Chine. <em>Bulletin Mensuel de la Societe Linneenne de Paris</em> 2: 1067–1069.</p><p class="Reference">Keng, Y. L. (1936) Species novae Arundinariae sinicae australis. <em>Sinensia</em> 7 (3): 410.</p><p class="Reference">Li, D.Z., Guo, Z.H. & Stapleton C. (2006) Fargesia. <em>Flora of China</em> 22: 74–96.</p><p class="Reference">Nguyen, T.Q. (1990) The new taxa of bamboos (Poaceae, Bambusoideae) from Vietnam. <em>Botanicheskii Zhurnal (Moscow & Leningrad)</em> 75 (2): 221–225.</p><p class="Reference">Nguyen, T.Q. (1991) A new genus and the new species of bamboos (Poaceae, Bambusoideae). <em>Botanicheskii Zhurnal (Moscow & Leningrad)</em> 76 (6): 874–880.</p><p class="Reference">Vorontsova, M.S., Clark, L.G., Dransfield, J., Govaerts, R. & Baker, W.J. (2016) World Checklist of Bamboos and Rattans. <em>INBAR Technical Reports</em> 37: 91–99.</p><p class="Reference">Wang, W., Franklin, S.B., Ren, Y. & Ouellette, J.R. (2006) Growth of bamboo <em>Fargesia qinlingensis</em> and regeneration of trees in a mixed hardwood-conifer forest in the Qinling Mountains, China. <em>Forest Ecology and Management</em> 234: 107–115.</p><p class="Reference"> <a href="https://doi.org/10.1016/j.foreco.2006.06.028">https://doi.org/10.1016/j.foreco.2006.06.028</a></p><p class="Reference">Wang, Y.J., Tao, J.P. & Zhong, Z.C. (2009) Factors influencing the distribution and growth of dwarf bamboo, <em>Fargesia nitida</em>, in a subalpine forest in Wolong Nature Reserve, southwest China. <em>Ecological Research</em> 24: 1013–1021.</p><p class="Reference"> <a href="https://doi.org/10.1007/s11284-008-0573-2">https://doi.org/10.1007/s11284-008-0573-2</a></p><p class="Reference">Ye, X.Y., Ma, P.F., Yang, G.Q., Guo, C., Zhang, Y.X., Chen, Y.M., Guo, Z.H. & Li, D.Z. (2019) Rapid diversification of alpine bamboos associated with the uplift of the Hengduan Mountains. <em>Journal of Biogeography</em> 46: 2678–2689.</p><p class="Reference"> <a href="https://doi.org/10.1111/jbi.13723">https://doi.org/10.1111/jbi.13723</a></p><p class="Reference">Yi, T.P. (1985) Classification and distribution of the food bamboos of the giant panda (I). <em>Journal of Bamboo Research</em> 4 (1): 11–27 Yi, T.P. (1985) Classification and distribution of the food bamboos of the giant panda (II). <em>Journal of Bamboo Research</em> 4 (2): 20–45 Yi, T.P. (1988) A study on the genus <em>Fargesia</em> from China. <em>Journal of Bamboo Research</em> 7 (2): 1–119 Yi, T.P. (1990) Additional notes on Bambusoideae from Sichuan, China. <em>Journal of Bamboo Research</em> 9 (1): 27–34 Yi, T.P. (1996) <em>Fargesia</em>. <em>In</em>: Keng, P.C. & Wang, Z.P. (Ed.) <em>Flora Reipublicae Popularis Sinicae</em>. Vol. 9. Science Press, Beijing, pp. 387–480. Yi, T.P., Shi, J.Y., Ma, L.S., Wang, H.T. & Yang, L. (2008) <em>Iconographia Bambusoidearum Sinicarum</em>. Science Press, Beijing. [In Chinese]</p><p class="Reference">Zhang, Y.Q., Zhou, Y., Hou, X.Q., Huang, L., Kang, J.Q., Zhang, J.Q. & Ren, Y. (2019) Phylogeny of Fargesia (Poaceae: Bambusoideae) and infrageneric adaptive divergence inferred from three cpDNA and nrITS sequence data. <em>Plant Systematics and Evolution</em> 305: 61–75.</p><p class="Reference"> <a href="https://doi.org/10.1007/s00606-018-1551-y">https://doi.org/10.1007/s00606-018-1551-y</a></p><p class="Reference">Zhou, Y., Zhang, Y.Q., Xing, X.C., Zhang, J.Q. & Ren, Y. (2019) Straight From the Plastome: Molecular Phylogeny and Morphological Evolution of <em>Fargesia</em> (Bambusoideae: Poaceae). <em>Frontiers in Plant Science </em>10: 1–17.</p><p> <a href="https://doi.org/10.3389/fpls.2019.00981">https://doi.org/10.3389/fpls.2019.00981</a></p>