Species Information - Bulbophyllum pachytelos

Bulbophyllum pachytelos Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 213

Type: Schlechter 15742 (holo B, lost); neo

Synonyms:

• Pelma pachytelos (Schltr.) Szlach. & Kulak, Richardiana 7 (2007) 93
• Bulbophyllum geminum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 857
  - Type: Schlechter 17334 (holo B, lost; iso BM, K)
• Bulbophyllum proximum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 858
  - Type: Schlechter 16379 (holo B, lost; iso NY)

Rhizome patent to pendulous, up to 40 cm long, 1-1.5 mm diam. Pseudobulbs (ob)- ovoid to ellipsoid, 0.8-2.5 cm apart, 0.3-1 by 0.15-0.5 cm, not to distinctly flattened. Petiole 0.5-1 mm. Leaf blade ovate to elliptic, 1-3.5 by 0.2-0.8 cm, index 2.3-6, tip acute to acuminate. Inflorescence 0.7-0.9 cm, 1-flowered. Peduncle 0.15-0.3 cm; bracts 1, 1.8-3 mm. Floral bracts tubular, 1.2-3.2 mm, tip acute. Pedicel and ovary 0.9-1.6 mm, with the node up to 0.5 mm from the floral bract. Flowers moderately to widely opening. Median sepal ovate to elliptic, 2-5 by 0.8-1.8 mm, index 2.4-3.8, tip acuminate; thin; glabrous. Lateral sepals free, ovate, 2-5.5 by 0.8-2 mm, index 2.5-5.5; otherwise as the median sepal. Petals elliptic to (ob)ovate, 1.5-2.3 by 0.3-1 mm, index 2-5, tip obtuse to acute; thin; glabrous. Lip curved, general outline ovate to elliptic, 1-2 by 0.6-1.4 mm, index 1.3-2.3 (not spread), tip rounded to acute; rather thin; glabrous; adx. with a basal concavity, basal teeth converging, together forming a transverse ridge with a notch half-way, basal part of the lip concave, gradually passing into the flat or convex top part of the lip; abx. with an inconspicuous, truncate median ridge. Column from ovary to the tip of the stelidia 0.1-1 mm; rostellum distinctly protruding; stigma approx. orbicular, not or slightly protruding at its base; column-foot with a rounded central knob above the attachment of the lip. Stelidia triangular, tip obtuse to acute. Anther abx. with a ridge towards its base; front margin protruding. (After Vermeulen, 1993)

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