Species Information - Bulbophyllum rhodoleucum

Bulbophyllum rhodoleucum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 762

Type: Schlechter 18745 (holo B, lost; iso AMES, BO, L)

Synonyms:

• Peltopus rhodoleucus (Schltr.) Szlach. & Marg., Polish Bot. J. 46 (2001) 116

Rhizome creeping, 2.5-5 mm diam. Pseudobulbs ovoid, 0.7-3 cm apart, 2.2-5.5 by 0.5-1.6 cm, not or hardly flattened. Petiole 6-32 mm. Leaf blade elliptic to obovate, 6-16 by 1-4 cm, index (2-)3 -8, tip acute. Inflorescence 4.2-9 cm, 1-flowered. Peduncle 1.8-5.5 cm; bracts c. 3, the longest 4.5-12 mm. Floral bracts tubular, 4.5-11 mm, tip acuminate. Pedicel and ovary 13-32 mm, with the node 2-5 mm from the floral bract. Flowers moderately opening. Median sepal ovate, 14-57 by 5-10 mm, index 3-6, tip long acuminate to caudate; margins often slightly erose; thin; surface glabrous. Lateral sepals free, oblique, 15-57 by 5-10 mm, index 3-6, lower margin often finely papillose; otherwise as the median sepal. Petals oblique, ovate to triangular, 0.5-2.2 by 0.5-1 mm, index 0.6-3.6, tip obtuse to acuminate; thin; glabrous. Lip almost straight or curved at the base, general outline ovate to subtriangular, 7-16 by 4-7.5 mm, index 1.7-2.5 (not spread), tip (sub) acute; margins partly or entirely finely papillose; thick; adx. with an inconspicuous basal concavity, basal teeth converging, not touching at the tip, together forming a transverse ridge, basal part of the lip concave, often slightly papillose, gradually passing into the approx. flat and often finely transversely wrinkled top part of the lip; abx. with an inconspicuous, retuse median ridge, surface glabrous or finely papillose towards the margins. Column from ovary to the tip of the rostellum 2-4 mm; rostellum distinctly protruding; stigma orbicular, slightly protruding at its base; column-foot with a distinct, straight, rounded central knob above the attachment of the lip. Anther abx. with a ridge towards its tip; front margin protruding. (After Vermeulen, 1993)

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