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Bulbophyllum oxyanthum

Bulbophyllum oxyanthum

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

Type: Schlechter 14394 (holo B, lost; iso AMES 2x, BO, BR, K, NSW, P)


  • Hapalochilus oxyanthus (Schltr.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 190 (56)

Epiphyte, pendulous, branched at the base, to 30 cm high. Rhizome terete, glabrous; sheaths laxly clasping the pseudobulbs. Roots filiform, elongated, flexuose, glabrous. Pseudobulbs distant, minute, cylindrical, terete, glabrous, 0.6-0.7 by 0.2 cm. Leaves lanceolate, acute or acuminate, thin for the genus, glabrous, 5-8 by 1.6-2;5 cm below the middle; base narrowed, subpetiolate. Inflorescences 1-flowered, short, laxly covered with clasping peduncle-scales. Floral bracts lanceolate, acuminate, hardly longer than the ovary. Flowers rather small in the genus, pendulous. Sepals lanceolate, strongly acuminate, glabrous; 0.7 cm long. Lateral sepals oblique. Petals falcate-incurved, lanceolate, acute, minute, glabrous, scarcely 0.2 cm long; base widened. Lip somewhat fleshy, narrowly tongue-shaped, subacute; base with 2 minutely serrulate auricles or lobes, densely covered with rounded papillae. Column in the genus slender; stelidia short, subquadrangular, auriculiform, the upper margin denticulate. Anther rounded, broadly obtuse. Ovary cylindrical, glabrous, 0.5 cm long. Fruit elongate, cylindrical, c. 3 cm long. (After Schlechter, 1905)

Flower yellowish. Lip in the middle red.

Epiphyte in lowland forest; 500 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum oxyanthum in New Guinea

Warm growing epiphyte.


  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 728
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 239, fig. 907
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum oxyanthum

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Bulbophyllum oxyanthum

Bulbophyllum oxyanthum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 239, fig. 907

Bulbophyllum oxyanthum

Bulbophyllum oxyanthum Schltr., herbarium sheet, Schlechter 14394 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew