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Bulbophyllum triaristella

Bulbophyllum triaristella

Bulbophyllum triaristella Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 786

Type: Schlechter 18586 (holo B, lost)

Epiphyte, very small. Rhizome very short. Roots filiform, flexuose, glabrous. Pseudobulbs conical-cylindrical, 0.3-0.5 by 0.2-0.3 cm below the middle; 1-leaved. Leaf erect, linear-ligulate, minutely apiculate, glabrous, 1.5-3.5 by 0.2-0.35 cm in the middle; towards the base gradually narrowed. Inflorescence 1-flowered, 2.5-3.5 cm long, filiform, erect, with a few small peduncle-scales. Floral bracts minute, much shorter than the ovary and pedicel. Flowers erect. Sepals lanceolate, aristate-narrowly acuminate, 1.8 cm long, outside glabrous, inside sparsely finely pilose. Lateral sepals oblique. Petals very broadly and obliquely reniform, broadly obtuse, glabrous, 0.08 by 0.13 cm at the base. Lip somewhat fleshy, puberulous, narrowly lanceolate, elongate-acuminate, 0.5 cm long; base thickened; margins very minutely finely ciliate. Column short; stelidia short, pointed; column-foot incurved. Anther reniform-cucullate, umbonate, glabrous. Pedicel and ovary slender, glabrous, c. 7.5 mm long. (After Schlechter, 1913)

Flower pale yellow striped red.

Epiphyte in montane forest; 1800 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum triaristella in New Guinea

Cool growing epiphyte.


  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 264, fig. 1007
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Peltopus
  • Species Bulbophyllum triaristella

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Bulbophyllum triaristella

Bulbophyllum triaristella Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 264, fig. 1007