Species Information - Bulbophyllum peltopus

Bulbophyllum peltopus Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 761

Type: Schlechter 19709 (holo B, lost; iso BM, K)

Synonyms:

• Peltopus greuterianus Szlach. & Marg., Polish Bot. J. 46 (2001) 115 (nom.nov.)
• Bulbophyllum planilabre Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 760
  - Type: Schlechter 18585 (holo B, lost; iso AMES, BO, L)
• Peltopus planilabris (Schltr.) Szlach. & Marg., Polish Bot. J. 46 (2001) 116

Rhizome creeping, 2-3 mm diam. Pseudobulbs ovoid, 0.4-2 cm apart, 1.4-3.4 by 0.5-1 cm, not or hardly flattened. Petiole 10-20 mm. Leaf blade elliptic to obovate, 4-11 by 1.1-2.5 cm, index 2.3-10.5, tip acute to acuminate. Inflorescence 16-31 cm, 1-flowered. Peduncle 11-21 cm; bracts 3-4, the longest 6-9 mm. Floral bracts tubular, 5-7 mm, tip acute to acuminate. Pedicel and ovary 22-42 mm, with the node 3.2-7 mm from the floral bract. Flowers widely opening. Median sepal ovate, 29-55 by 5-9 mm, index 4.18.7, tip caudate; thin; glabrous. Lateral sepals free, oblique, 31-72 by 4.5-8.5 mm, index 4.7-10; otherwise as the median sepal. Petals elliptic to (ob)ovate, 2.2-5 by 0.8-1.5 mm,index 2-5, tip rounded to acute; (rather) thin; glabrous. Lip approx. straight, general outline ovate to elliptic, 8-14 by 4 -7 mm, index 1.7-2.4 (not spread), tip widely rounded; thick; glabrous; adx. with a distinct basal concavity, basal teeth converging, together forming a transverse ridge with a deep slit half-way, basal part of the lip widely concave, gradually passing into the slightly convex top part of the lip; abx. without a median ridge. Column from ovary to the tip of the rostellum 2-3 mm; rostellum distinctly protruding; stigma elliptic, not or slightly protruding at its base; column-foot with a distinct, approx. straight to somewhat upwards pointing, rounded central knob above the attachment of the lip. Anther abx. with a weak ridge; front margin hardly protruding. (After Vermeulen, 1993)

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