Species Information - Bulbophyllum trachyanthum

Bulbophyllum trachyanthum Kraenzl., sterr. Bot. Zeitschr. 44 (1894) 336

Type: Micholitz s.n. (I-1894, New Ireland, between Cape Carteret and Port Praslin)

Synonyms:

• Hyalosema trachyanthum (Kraenzl.) Rolfe, Orchid Rev. 27 (1919) 131
• Bulbophyllum klossii Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 179
  - Type: Kloss s.n. (Camp 9 to 11, 5500 to 8300 ft.) (holo BM)
• Hyalosema klossii (Ridl.) Rolfe, Orchid Rev. 27 (1919) 131

Rhizome long creeping, woody (when dried), 0.3 cm thick with numerous roots. Pseudobulbs slender conical or ovate somewhat 4-angled, when dried strongly rugose and curved; 1-leaved. Leaves shortly petiolate, lanceolate, obtuse, to 13 by 2 cm. Inflorescences arising between the pseudobulbs, slender, with minute cataphylls at the base, 1-flowered. Floral bract minutely lanceolate, acute, keeled, much shorter than the curved ovary. Sepals at the base ovate, gradually narrowed, long acuminate to caudate. Median sepal to the apex concave, straight, 7 by 1 cm, incurved. Lateral sepals at the very base connate, not forming a mentum, 5 cm long, half twisted, reflexed; all sepals outside and inside very densely pilose. Petals very small and inconspicuous, aristate. Lip hypochile (?column-foot) very broad, short; epichile curved, as wide as long, channelled, obtuse, in the centre silky hairy. Column at the base dilated. (After Schlechter, 1905)

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