Cymbidium xichouense (Orchidaceae; Epidendroideae), a new species from China: evidence from morphological and molecular data Author Xu, Xinyu 0000-0001-9978-0681 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & 18120872516 @ 163. com; https: // orcid. org / 0000 - 0001 - 9978 - 0681 Author Ding, Chang-Chun Wenshan University, Wenshan 663099, China. Author Hu, Wenqi 0000-0002-4500-473X Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & hwq 163 yx @ 163. com; https: // orcid. org / 0000 - 0002 - 4500 - 473 X Author Yu, Xia 0000-0002-7007-6946 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & xiiiayu @ 126. com; https: // orcid. org / 0000 - 0002 - 7007 - 6946 Author Zheng, Yu 0000-0002-1580-6360 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & zhengyu 931013 @ 163. com; https: // orcid. org / 0000 - 0002 - 1580 - 6360 Author Zhang, Diyang 0000-0001-7548-4378 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & diyangzhang @ 126. com; https: // orcid. org / 0000 - 0001 - 7548 - 4378 Author Liao, Xingyu 0000-0003-0384-1713 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & lxy-c @ outlook. com; https: // orcid. org / 0000 - 0003 - 0384 - 1713 lxy-c@outlook.com Author Liu, Xuedie 0000-0003-2854-5304 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & liuxuedie 1995 @ 126. com; https: // orcid. org / 0000 - 0003 - 2854 - 5304 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 and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & zjliu @ fafu. edu. cn; https: // orcid. org / 0000 - 0003 - 4390 - 3878 zjliu@fafu.edu.cn Author Lan, Siren 0000-0003-2793-6768 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape and Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & lkzx @ fafu. edu. cn; https: // orcid. org / 0000 - 0003 - 2793 - 6768 lkzx@fafu.edu.cn text Phytotaxa 2021 2021-02-18 484 3 291 297 http://dx.doi.org/10.11646/phytotaxa.484.3.4 journal article 4473 10.11646/phytotaxa.484.3.4 3fa039aa-54c0-45ae-918f-94615ba7a7d9 1179-3163 5421850 Cymbidium xichouense X.Y.Xu, C.C.Ding & S.R.Lan sp. nov. ( Ħ̊兰 ) (Figs 2,3) Type :— CHINA . Yunnan Province , the junction of Xichou Country and Maguan Country , 1400 m , under the cluttered woods, open forests or forest margins. 30 Sep 2020 , Xu F001 ( holotype : FAFU ) . This new species is similar to C. qiubeiense , but differs in its oblong-lanceolate sepals, green sepals and petals, white to green lip with side lobes tinged brown and midlobe tinged with green and disc with three ridges. FIGURE 2. Cymbidium xichouense . A. Habit. B. Base of inflorescence. C. Floral morphology. D. Flower, front view. E. Flower, side view. F. Lip and column, side view. G. Flower of C. qiubeiense . Terrestrial herbs. Pseudobulbs ovoid, 1.0–1.5 × 0.6–0.9 cm , enclosed in pale purple-brown persistent leaf bases and sheaths. Leaves 4–5, subterminal, lorate, deep green, 30.0–40.0 cm × 0.5–1.0 cm, apex acuminate, margins serrulate, base contracted into a long petiole; petiole purplish black, hard and wire-like, 10–20 cm long, not articulated at base. Scape arising from the base of the pseudobulb, erect, 25–30 cm long; inflorescence with 2–3 flowers; floral bracts lanceolate, green, 0.5–0.6 cm long; pedicel and ovary 2.5–2.7 cm long; flowers fragrant; sepals and petals green; lip white to green, tinged with brown on the side lobes and green on the midlobe; sepals oblong-lanceolate, 0.9–2.0 cm × 0.5–0.6 cm , apex acuminate, with 5 veins; petals oblong-lanceolate, 2.2–2.3 cm × 0.6–0.8 cm , apex acuminate; lip elliptic-pandurate in outline, 1.8–1.9 cm × 1.2–1.3 cm , trilobed, side lobes erect; midlobe nearly elliptic, 0.9–1.0 × 0.9–1.0 cm, recurved; disc with 3 ridges; column 1.5–1.7 cm long, slightly arcuate; pollinia 4, in two pair. Etymology: —Referring to the area in Yunnan Province where the species was found, derived from the Chinese Xichou. Phenology:— Flowering October–December. Distribution:— Yunnan Province , on the border of Xichou County and Maguan County. Habitat:— Under thick woodlands, open forests or forest margins at 800–1800 m .