Species Information - Bulbophyllum savaiense subsp. gorumense

Bulbophyllum savaiense Schltr. subsp. gorumense (Schltr.) J.J.Verm., Orchid Monogr. 7 (1993) 140, fig. 96

Type:

Synonyms:

• Bulbophyllum gorumense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 863
  - Type: Schlechter 18826 (holo B, lost); neo: Hoogland 9566 (CANB; isoneo AMES,BH,BM,BO,BRI,G,K,L,LAE,NY,US)
• Bulbophyllum savaiense Schltr. subsp. gorumense (Schltr.) J.J.Verm., Orchid Monogr. 7 (1993) 140, fig. 96
• Bulbophyllum bolaninum Schltr., Repert. Spec. Nov. Regni Veg. 16 (1919) 218
  - Type: Keysser s.n. (X-1912, Saruwaged Mts., Mt. Bolan 2400-3000 m) (holo B, lost; iso BM)
• Pelma bolaninum (Schltr.) Szlach. & Kulak, Richardiana 7 (2007) 91

Basionym: Bulbophyllum gorumense

Rhizome patent to pendulous, up to 70 cm long, 0.8-2.5 mm diam. Pseudobulbs ovoid to ellipsoid, 0.3-5.5 cm apart, 1.3-5 by 0.6 cm, somewhat flattened or not. Petiole 1--9 mm. Leaf blade ovate to elliptic, 2.5-8.5 by 1.2-3.6 cm, index 2.3-12, tip acute. Inflorescence 1.5-4.5 cm, 4-9-flowered. Peduncle 0.3-1.4 cm; bracts c. 3, the longest 1.8-6 mm. Rachis 0.2-4.8 cm. Floral bracts triangular, 1-3 mm, tip acute. Pedicel and ovary 1-2.5 mm, with the node 0.2-1 mm from the floral bract. Flowers widely opening. Median sepal ovate to elliptic, 2-3.6 by 1-1.5 mm, index 1.6-3.5, tip short or long acuminate; rather thick; approx. glabrous. Lateral sepals free, 1.5-4.8 by 0.8-2.5 mm, index 1.3-3.9; otherwise as the median sepal. Petals elliptic to obovate, 1-1.5 by 0.31 mm, index 1.4-2.4, tip rounded to subacute; margins and adaxial surface often papillose towards the tip; thin. Lip approx. straight, general outline orbicular to (ob)ovate to (transversely) elliptic, 0.7-1.2 by 0.5-1 mm, index 1-1.8 (not spread), tip truncate to rounded; approx. glabrous to finely papillose; thick; adx. with a distinct basal concavity, basal teeth converging, together forming a transverse ridge with a deep slit half-way, top part of the lip also distinctly concave; abx. without a median ridge. Column from ovary to the tip of the rostellum 0.2-0.8 mm; rostellum protruding; stigma approx. orbicular, protruding at its base; column-foot with a distinct, rounded central knob above the attachment of the lip. Stelidia absent or inconspicuous, if present deltoid, tip obtuse to acute. Anther abx. with a ridge; front margin not protruding. (After Vermeulen, 1993)

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