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Bulbophyllum trigonocarpum

Bulbophyllum trigonocarpum

Bulbophyllum trigonocarpum Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 218

Type: Schlechter 14379 (holo B, lost)


  • Hapalochilus trigonocarpus (Schltr.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 191 (57)

Epiphyte, very small, 8-10 cm high. Rhizome short, terete. Roots filiform, elongated, flexuose, glabrous. Pseudobulbs close together, subovoid, terete, glabrous, 1-1.3 by 0.4-0.6 cm above the base; 1-leaved. Leaf lanceolate-ligulate, subobtuse, coriaceous, glabrous, 5-8 by 0.8-1.2 cm near the middle; base gradually narrowed, weakly petiolate; top minutely bilobulate. Inflorescences 1-flowered, slender, filiform, terete, glabrous, shorter than the leaves, c. 3 cm long. Floral bracts ovate-lanceolate, acuminate, almost as long as the pedicellate ovary. Flowers large for the section. Sepals lanceolate, narrowed acuminate, glabrous, 1.5 cm long. Median sepal somewhat narrower than the lateral ones. Lateral sepals oblique. Petals obliquely rhomboid-ovate, acuminate; front margin somewhat dilated, subsinuate. Lip large when compared to the petals, fleshy, in outline narrowly lanceolate-tongue-shaped, glabrous, 1.2 by 0.2 cm above the middle; base tridentate, above the base somewhat constricted; apex acuminate; dorsally grooved. Column slender for the genus; base swollen; stelidia subulate, erect, much surpassing the anther; column-foot short. Anther ovate, in front acuminate. Ovary shortly pedicellate, subclavate, glabrous, 0.9 cm long. Fruit oblong, subwinged-3-ribbed, c. 3 cm long. (After Schlechter, 1905)

Flower golden yellow.

Epiphyte in lower montane forest; 800 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum trigonocarpum in New Guinea

Intermediate growing epiphyte.


  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 717
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 233, fig. 886
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum trigonocarpum

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Bulbophyllum trigonocarpum

Overview picture of Bulbophyllum trigonocarpum Schltr.

Bulbophyllum trigonocarpum

Bulbophyllum trigonocarpum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 233, fig. 886