Bulbophyllum trichromum

Bulbophyllum trichromum

Bulbophyllum trichromum Schltr., Bot. Jahrb. Syst. 58 (1923) 130

Type: Ledermann 8606 (holo B, lost; iso K)

Synonyms:

  • Hapalochilus trichromus (Schltr.) Garay & Sieder, Lindleyana 11 (1996) 233

Epiphyte, pendulous, unbranched or nearly so, to 30 cm long. Rhizome elongated, covered with fairly large sheaths. Pseudobulbs close together, more or less appressed to the rhizome, cylindrical, the apex somewhat narrowed, 1-1.5 by up to 0.4 cm below the middle; 1-leaved. Leaf oblong-ligulate, obliquely subacute, coriaceous, glabrous, 6-7 by c. 1-1.3 cm in the middle; base narrowed. Inflorescences 1-flowered, very short, including the flower hardly 1.5 cm long; peduncle very short, covered with a few peduncle-scales. Floral bracts elliptic, acuminate, as long as the ovary. Flower glabrous. Sepals oblong, ligulate, acute, glabrous, 0.7 cm long. Lateral sepals reflexed, oblique. Petals much smaller than the sepals, obliquely ovate, subacute, glabrous, 0.18 cm long. Lip somewhat fleshy, sessile, narrowly ligulate, subobtuse, somewhat shorter than the sepals 0.55 cm long; above the base rather inconspicuously narrowed; underneath longitudinally grooved. Column short, its base distinctly thickened; clinandrium shortly dentate. Ovary hardly pedicellate, cylindrical glabrous, hardly longer than 0.5 cm. (After Schlechter, 1923)


Sepals wine-red striped white. Lip yellow.

Epiphyte in lower montane forest; 1000 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum trichromum in New Guinea

Intermediate growing epiphyte.

September.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum trichromum

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Bulbophyllum trichromum

Overview picture of Bulbophyllum trichromum Schltr.

Bulbophyllum trichromum

Bulbophyllum trichromum Schltr., herbarium sheet, Ledermann 8606 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew