Bulbophyllum xiajinchangense (Orchidaceae; Malaxideae), a new species from China: evidence from morphological and DNA analysis Author Zeng, Meng-Yao 0000-0002-8103-2316 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. zmy13860927342@163.com Author Wu, Yu-Wei 0000-0002-8779-6851 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. 17362972932@163.com Author Wei, Chun-Yi 0000-0002-2015-7895 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. 13675914585@163.com Author Wu, Yu-Han 0009-0000-6530-0336 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. 15280838312@163.com Author Li, Ming-He 0000-0002-8304-0619 Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China. & Fujian Colleges and Universities Engineering Research Institute of Conservation and Utilization of Natural Bioresources, Fujian Agriculture and Forestry University, Fuzhou 350002, China. fjalmh@126.com text Phytotaxa 2023 2023-12-07 629 3 275 282 https://phytotaxa.mapress.com/pt/article/download/phytotaxa.629.3.9/51349 journal article 281318 10.11646/phytotaxa.629.3.9 a32c81f1-51bf-4bc1-b535-7ad4de088b15 1179-3163 10281127

TABLE 3. Comparison of diagnostic characteristics for Bulbophyllum xiajinchangense, B. scabratum, B. levinei and B. gedangense.

Character	B. xiajinchangense	B. scabratum	B. levinei	B. gedangense
Pseudobulbs	Conical, 1.2–1.6 × 0.5–0.7 cm	Ovate	Subcylindric or bottle-shaped, 0.5–1.0 × 0.2–0.4 cm	Conical, 0.9–1.5 × 0.4–0.6 cm
Leaf	Narrowly oblong to obovate-lanceolate, 5.0–9.0 × 0.7–1.2 cm	Narrowly oval, 2.5–7.0 × 0.5–1.0 cm	Oblong to obvate-lanceolate, 3.0–4.0 × 0.5–0.7 cm	Oblong to obovate-lanceolate, 5.5–7.0 × 0.5–0.7 cm
Scape	Umbel-like and shortened raceme, 7.0–12.0 Umbel-like and shortened raceme, ca. 7.0 cm, 3–7-flowered cm, 3–7-flowered		Umbel-like and shortened raceme, 3.0–5.0 cm, 2–6-flowered	Umbel-like and shortened raceme, 7.0–12.0 cm, 3–8-flowered
Flower color	Purplish-red, tinged with white	Pale yellow-ochre	White, tinged with purple	Yellowish-green, tinged with purple
Floral bract	Shorter than pedicel and ovary, 4.5–6.0 mm Shorter than pedicel and ovary		Shorter than pedicel and ovary, 3.0 mm	Shorter than pedicel and ovary, 1.5–2.5 mm
Dorsal sepal	Ovate-lanceolate, 6.0–7.0 × 2.0–2.5 mm, margins denticulate	Obovate, 5.0–7.0 × 2.0–4.0 mm, margins denticulate	Ovate-lanceolate, 4.0–5.0 × 1.5–2.0 mm, margins denticulate	Ovate, 3.0–3.5 × 3.5–4.5 mm, margins entire
Lateral sepal	Free, 10.0–12.0 × 1.7–2.0 mm, apex long caudate	Convergent, 15.0–20.0 × 2.0–4.0 mm, apex long caudate	Free, 5.0–5.5 × 1.5–2 mm, apex cuspidate	Convergent, 4.0–5.0 × 2.5–3.5 mm, apex abruptly acute
Mean lateral/dorsal sepal length ratio	ca. 2.0	ca. 3.0	ca. 1.0	ca. 1.3
Petal	Basal white, apex purplish red, 3.5–4.0 × 1.7–2.0 mm, margins denticulate, apex acute	Pale yellow-ochre, 2.0–3.0 × 1.0–2.0 mm, margins pectinate-serrate, apex acute	White, 3.5 × 1.5 mm, margins denticulate, apex long acuminate	Margins entire, yellowish-green, apex obtuse, 2.5–3.0 × 3.0–4.0 mm