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Bulbophyllum latibrachiatum

Bulbophyllum latibrachiatum

Bulbophyllum latibrachiatum J.J.Sm., Bull. Dép. Agric. Indes Néerl. 19 (1908) 7

Type: Versteeg 1261 (holo BO; iso L)

Rhizome creeping, short, covered with large, membranous sheaths. Pseudobulbs when dried oblong-ovoid, somewhat laterally compressed, 1.4-3.2 by 1 cm; 1-leaved. Leaf erect, lanceolate, acute, acuminate, 12-15 by 2-3 cm; base narrowed into a petiole; midrib grooved above, prominent and obtuse below; margin recurved. Inflorescences 1-flowered, fasciculate from the nodes of the rhizome, very short; peduncle 0.6 cm long, entirely covered by clasping, large, tubular, obtuse, long subulate-mucronate sheaths. Flower fleshy, 1.8 cm wide. Median sepal oblong or lanceolate, shortly sharply acuminate or acute, 1.5-2.2 by 0.5-0.6 cm. Lateral sepals obliquely oblong or lanceolate, shortly sharply acuminate or apiculate, 1.6-2.1 by 0.63 cm. Petals obliquely ovate, 0.7-0.83 by 0.3-0.33 cm, acuminate, acute, minutely finely ciliate, 1-nerved, outside obtusely keeled. Lip very small, fleshy, thick tongue-shaped, from above oblong, laterally compressed, obtuse, 0.37 by 0.16-0.2 cm; with two small, obtuse, backwards-pointing lobes; above convex, with a longitudinal groove almost up to the apex, papillose, along the margin very sparsely pilose; below with a thick obtuse swelling. Column rather slender, in total 0.35-0.4 cm long; stelidia long, porrect, at the base half-twisted, linear, obtuse, 0.2 cm long; clinandrium above convex; stigma longitudinal, broadly elliptic; column-foot forming an obtuse, almost straight angle with the ovary, its base below the stigma callus-like swollen, with an incurved, somewhat dilated, truncate, free apex, 0.2 cm long. Anther broadly subcordate, shortly conical-apiculate. Pollinia 4, laterally compressed, inner ones smaller. Ovary 6-grooved, 0.4-0.65 cm long; pedicel 0.5-0.6 cm long. Capsule when dry oblong, in section winged-triangular, 1.8 cm long; wings narrow, undulate. (After Smith, 1909)

Leaf shining pale green. Sepals yellow, inside with 7-9 reddish stripes. Petals transparent, with 3 dark purple stripes; margin with dark purple spots. Lip white, dark purple-marbled. Column whitish tinged red; stelidia pale green; column-foot in front reddish.; stigma with a red margin. Ovary green, pedicel pale green.

Epiphyte in on trees in Metroxylon swamps.

Malesia (New Guinea).

Papua (Indonesia); see map

Distribution of Bulbophyllum latibrachiatum in New Guinea

Warm growing epiphyte.


  • Smith, J.J., Nova Guinea 8, 1 (1909) 95, t. 32, fig. 104
  • Smith, J.J., Nova Guinea 12, 1 (1913) 89
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Brachypus
  • Species Bulbophyllum latibrachiatum

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Bulbophyllum latibrachiatum

Overview picture of Bulbophyllum latibrachiatum J.J.Sm.

Bulbophyllum latibrachiatum

Bulbophyllum latibrachiatum J.J.Sm., floral analysis, drawing J.J. Smith, from Versteeg 1261

Bulbophyllum latibrachiatum

Bulbophyllum latibrachiatum J.J.Sm., herbarium sheet, Versteeg 1261 (holotype specimen BO)