Bulbophyllum section Rhytionanthos (Orchidaceae) in Vietnam with description of new taxa and new national record

• DOI: 10.11646/phytotaxa.530.3.1
• Publication Date: 2022-01-11T01:11:08Z
• Authors: MINH QUAN DANG; LEONID V. AVERYANOV; VAN SON DANG; TATIANA MAISAK; VAN HUONG BUI; BAO NGAN TU; BA VUONG TRUONG
• Keywords: Orchidaceae; Herbarium; Identification key; Flora

The paper presents a taxonomic review of Bulbophyllum section Rhytionanthos for the flora Vietnam and provides key its species’ identification. A new species, B. truongtamii variety, taeniophyllum var. denticulatoalatum are described science. nodosum is reported first time from country. strigosum, 20 years ago based on cultivated plant uncertain origin was rediscovered in NE Vietnam. For this location detailed description reported. Analytical photos, data phenology, ecology, distribution presented all studied species. morphological comparison table variety newly recorded species segregating them similar presented.