Dendrobium venustum Teijsm. & Binn., Natuurk. Tijdschr. Ned.

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 121-122

Dendrobium venustum Teijsm. & Binn., Natuurk. Tijdschr. Ned. -Indië 27: 18, 1864

Heterotypic synonyms: Dendrobium ciliatum C.S.P.Parish ex Hook. f., Bot. Mag. 90: t. 5430, 1864, nom. illeg. [non (Ruiz & Pavon) Pers. 1807]. Callista ciliata Kuntze, Revis. Gen . Pl. 2: 654, 1891. Dendrobium ciliferum Bakh. f., Blumea 12: 68, 1963. Type:— MYANMAR. Mon State: Mawlamyine District, Parish 156 (holotype: K).

Dendrobium ciliatum C.S.P.Parish ex Hook. f. var. breve Rchb. f., Gard. Chron., n.s., 20: 328, 1883. Types:— MYANMAR. Ex Yangon, Benson in Veitch 17 (syntype: W-R 50255 ); ORIGIN UNKNOWN. Cult. Harding s.n. (syntype: W-R); ORIGIN UNKNOWN . Cult. Dunn s.n. (syntype: W-R) .

Specimens examined:— MANDALAY. Pyinoolwin District : 1220 m, Samuel 13562 ( K).?RAKHINE. Rakhine Yoma: Mar 1903, Gage s.n. ( CAL). YANGON . Unspecified : type. MON. Mawlamyine District: type. WITHOUT LOCALITY. Cult. Singapore Bot. Gard. ex Murton s.n. ( W-R 16678 ) .

Distribution:— Myanmar, Thailand and Indochina.

Dendrobium vexabile Rchb. f., Gard. Chron., n.s., 21: 271, 1884. Type :— MYANMAR. Without locality: imp. with Dendrobium luteolum Bateman , cult. Low s.n. (holotype: W)

Homotypic synonym: Callista vexabilis (Rchb.f.) Kuntze, Revis. Gen . Pl. 2: 655, 1891.

Specimen examined:— WITHOUT LOCALITY. Type .

Distribution:— Northeastern India and Myanmar.

Notes:— Only Reichenbach’s sketch of this species seems to remain at W. One of us, PO, has seen material cultivated by Geoff Stocker from northeastern India where it was also discovered by Dr. A. Nageswara Rao (pers. comm.). The species is related to D. ruckeri Lindl. It is here regarded a natural species. However, previously it was interpreted as possibly being a natural hybrid of D. falconeri and D. ruckeri (Govaerts et al. 2020) .

Dendrobium virgineum Rchb. f., Gard. Chron., n.s., 22: 520, 1884. Type :— MYANMAR. Without locality: imp. Low s.n. (holotype: W-R 32503 )

Homotypic synonym: Callista virginea (Rchb.f.) Kuntze, Revis. Gen . Pl. 2: 655, 1891.

Specimen examined:— WITHOUT LOCALITY. Type .

Distribution:— Endemic.

Note:— Confused with material now referred to D. kontumense (syn. D. schildhaueri ) by Seidenfaden (1985: 112).