Bulbophyllum (sect. Tripudianthes) Seidenfaden 1979

Bulbophyllum sect. Tripudianthes Seidenfaden (1979: 188). Type:— B. tripudians Parish & Reichenbach (1875: 154). = Tripudianthes Szlachetko & Kras (2007: 94). 10–11 species in Nepal, Bhutan, NE India, Myanmar, S China, Thailand, Laos, Vietnam, Java, and Sumatra. In Vietnam 3–5 species, 1 endemic. Identification key to species of Bulbophyllum section Tripudianthes reported in the flora of Vietnam Species, the occurrence of which needs confirmation are designated by asterisk (*) 1. Median sepal with entire margin........................................................................................................................................................2 –. Median sepal with ciliate or fimbriate margin....................................................................................................................................4 2. Median sepal attenuate, with filiform appendage at apex................................................................................................. B. wallichii –. Median sepal acuminate, rarely with short seta at apex.....................................................................................................................3 3. Median sepal ovate, acuminate; lateral sepals 3–5.5 cm long; petals acuminate.......................................................... B. tripudians * –. Median sepal narrowly ovate, acute; lateral sepals ca. 2.5 cm long; petals aristate.................................................. B. kanburiense * 4. Median sepals ovate, attenuate................................................................................................................................. B. viridipallidum –. Median sepal elliptic, obtuse to acute............................................................................................................................... B. refractum
Published as part of Nguyen, Van Canh, Averyanov, Leonid V., Maisak, Tatiana V., Nguyen, Thi Lien Thuong, Nguyen, Van Khuong, Pham, Thi Thanh Dat, Nguyen, Danh Duc, Dang, Van Son, Aromyen, Warapong & Truong, Ba Vuong, 2023, The review of Bulbophyllum section Tripudianthes (Orchidaceae) in the flora of Vietnam with the description of new species, B. viridipallidum, pp. 59-68 in Phytotaxa 598 (1) on page 60, DOI: 10.11646/phytotaxa.598.1.4, http://zenodo.org/record/7958804
{"references":["Seidenfaden, G. (1979) Orchid genera in Thailand 8: Bulbophyllum. Dansk Botanisk Arkiv 33 (3): 1 - 228.","Szlachetko, D. L. & Kras, M. (2007) Contribution a la revision generique de Bulbophyllinae (Epidendroideae) 5 - Tripudianthes (Seidenfaden). Richardiana 7: 94 - 96."]}