Bulbophyllum deergongense (Dendrobiinae; Malaxideae; Epidendroideae; Orchidaceae), a new species from Tibet, China Author Miao, Jiang-Lin 0009-0001-1489-3888 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & Dramamiao @ 163. com; https: // orcid. org / 0009 - 0001 - 1489 - 3888 Author Zhang, Hua-Yuan 0009-0002-1212-7546 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & zhanghy 970618 @ 163. com; https: // orcid. org / 0009 - 0002 - 1212 - 7546 Author Zhu, Wen-Tao 0009-0007-3639-3896 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & 395217360 @ qq. com; https: // orcid. org / 0009 - 0007 - 3639 - 3896 395217360@qq.com Author Liu, Zhen 0009-0001-0317-1636 Forestry and Grassland Administration of Motuo County, Motuo 860700, China & 2360890044 @ qq. com; https: // orcid. org / 0009 - 0001 - 0317 - 1636 2360890044@qq.com Author Ji, Hong-Yu 0000-0002-6099-6589 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & Ji _ hy 13 @ 163. com; https: // orcid. org / 0000 - 0002 - 6099 - 6589 Author Liu, Zhong-Jian 0000-0003-4390-3878 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & zjliu @ fafu. edu. cn; https: // orcid. org / 0000 - 0003 - 4390 - 3878 zjliu@fafu.edu.cn Author Zhai, Jun-Wen 0000-0003-3652-452X Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou 350002, China & zhai-jw @ 163. com; https: // orcid. org / 0000 - 0003 - 3652 - 452 X text Phytotaxa 2023 2023-10-06 619 2 197 202 http://dx.doi.org/10.11646/phytotaxa.619.2.8 journal article 271664 10.11646/phytotaxa.619.2.8 25bf9cdf-f94d-43dc-bd24-87fb0e24afb8 1179-3163 8425973

TABLE 2. Morpholigcal comparison of B. deergongense and B. reptans.

	B. deergongense	B. reptans
Pseudobulb	Long cylindrical, slightly quadrangular, sometimes twisted, 2.5–4.0 cm high, 0.9–1.1 cm diameter, surface ridged	Ovate or ovate-conical, 1–2 cm tall, 0.5–1.0 cm diameter, surface smooth
Leaf	Elongate-elliptic, 9.0–12.0 × 1.5–2.0 mm	Narrowly oblong, 7.0–15.0 × 0.7–1.7 cm
Flowers	13–15	5–8
Lateral Sepals	With 1 small, raised sac, obliquely lanceolate, slightly curved	Obliquely lanceolate
Petals	Yellowish green without stripe, with a purple-brown round spot at the apex	Dark red or purple with brown stripe (sometimes stripes missing but never with a brown apical spot)
Labellum	2.9–3.1 mm long, broader towards frontal half	3.3–4.9 mm long, width same throughout the length
Column	Stelidia ciliate, foot 7.0–9.0 mm long	Stelidia falcate, foot 11.0–13.0 mm long