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Bulbophyllum microcala

Bulbophyllum microcala

Bulbophyllum microcala P.F.Hunt, Kew Bull. 24 (1970) 93

Synonyms:

  • Bulbophyllum microcharis Schltr., Bot. Jahrb. Syst. 58 (1923) 143 (non Schltr. (1905))
    - Type: Ledermann 7365 (holo B, lost)
  • Bulbophyllum microcala P.F.Hunt, Kew Bull. 24 (1970) 93

Basionym: Bulbophyllum microcharis

Epiphyte, creeping, very small, hardly more than 0.2 cm high. Rhizome filiform, flexuose, branched, slender. Pseudobulbs very small, ovoid or subglobose, 0.6-1.2 cm apart, 0.2-0.3 by almost 0.2-0.3 cm; 1-leaved. Leaf erect or suberect, ovate, elliptic or ovate, apiculate, 0.3-0.5 by 0.25-0.3 cm below the middle; base contracted. Inflorescences 1-flowered, erect, single, usually longer than the leaf, 0.6-0.75 cm long; peduncle wiry, at the base with a few small peduncle-scales. Floral bracts ovate-cucullate, shortly acuminate, many times shorter than the slender, pedicellate ovary. Flower glabrous. Sepals lanceolate, acuminate, 0.28 cm long. Lateral sepals falcate-oblique, in front towards the base widened, forming short, very obtuse mentum with the column-foot. Petals oblique, narrowly lanceolate, acuminate, almost as long as the sepals but much narrower. Lip curved, in outline oblong, subobtuse, 0.15 by 0.08 cm below the middle; below the middle the margins on either side dilated in a short, obtuse, triangular lobe. Column towards the apex somewhat widened, 0.05 cm long; stelidia obliquely ovate-triangular, obtuse, short. Ovary very slender pedicellate, glabrous, 0.4 cm long. (After Schlechter, 1923)


Flower green, with dark brown spots.

Epiphyte in forest; 100-1100 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum microcala in New Guinea

April, May.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Minutissima
  • Species Bulbophyllum microcala

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Bulbophyllum microcala

Overview picture of Bulbophyllum microcharis Schltr.