Bulbophyllum (sect. Beccariana)
Creators: name: Kurniawan, Firman H.
name: Yudistira, Yuda R.
name: Mustaqim, Wendy A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Bulbophyllum

description: Amendments to the key to Bornean Bulbophyllum sect. Beccariana (modified from Vermeulen et al. 2015).
19 Labellum adaxially partly or entirely finely pubescent....................................................................................................................20
– Labellum adaxially glabrous ............................................................................................................................................................21
20 Inflorescence 7–15-flowered ......................................................................................................................................... B. anaclastum
– Inflorescence 1–3-flowered ........................................................................................................................................... B. reticulatum
21 Labellum not dorsoventrally flattened near the base........................................................................................................ B. artvogelii
– Labellum dorsoventrally flattened near the base..............................................................................................................................22
22 Angle between the vein towards the stelidia apex and the axis of the wing along their lower margin distinctly larger than 45° ....... ..........................................................................................................................................................................................................22
– Angle between the vein towards the stelidia apex and the axis of the wing along their lower margin 45° or smaller....................23
22 Labellum subsagittate to subtriangular, length per width ratio 2.7−3.2, adaxial surface verrucose; anterior part of connective drawn out, slightly erose..................................................................................................................................................... B. sungaiutikense
– Labellum ovate to subtriangular, length per width ratio 1.0−1.4, adaxial surface flat; anterior part of connective not drawn out, not erose.................................................................................................................................................................................... B. aeolium
23 Inflorescence 1−2-flowered............................................................................................................................................. B. uniflorum
– Inflorescence 4−12-flowered............................................................................................................................................ B. ericssonii
description: Published as part of Kurniawan, Firman H., Yudistira, Yuda R. & Mustaqim, Wendy A., 2022, A new species of Bulbophyllum (Orchidaceae: Epidendroideae) from Kalimantan Barat, Indonesia, pp. 89-94 in Phytotaxa 544 (1) on page 93, DOI: 10.11646/phytotaxa.544.1.8, http://zenodo.org/record/6501460