Species Information - Dendrobium lonchigerum

Dendrobium lonchigerum Schltr., Bot. Jahrb. Syst. 58 (1922) 96.

Type: Ledermann 8145 (holo B, lost); para: Ledermann 9598.

Synonyms:

• Flickingeria lonchigera (Schltr.) Schuit. & de Vogel, Blumea 48 (2003) 510
• Ephemerantha lonchigera (Schltr.) P.F.Hunt, Kew Bull. 26 (1971) 179.
• Flickingeria simplicicaulis (J.J.Sm.) A.D.Hawkes, Orchid Weekly 2 (1961) 459.
• Dendrobium simplicicaule J.J.Sm., Nova Guinea 14 (1929) 409, pl. 61, 60.
  - Type: Bogor cult. (Lorentz Exp., Rachmat 459) s.n.; (Lam) 234 (syn BO).
• Desmotrichum simplicicaule (J.J.Sm.) A.D.Hawkes, Lloydia 20 (1957) 127.
• Ephemerantha simplicicaulis (J.J.Sm.) P.F.Hunt & Summerh., Taxon 10 (1961) 106.

Rhizome elongated, creeping, branching. Pseudobulbs widely spaced, 1-leaved, fusiform-clavate, laterally compressed, 6-8 by 0.3-1.2 cm. Leaves lanceolate, 6-9 by 2.2-2.8 cm, base rather rounded, apex acute with a subulate point. Inflorescences 1-flowered. Pedicel and ovary 0.6 cm long, subclavate, with sparse scale hairs. Flower c. 2 cm across. Dorsal sepal lanceolate, 1.2 cm long, apex acute. Lateral sepals obliquely ovate-triangular, widened at the base, 1.2 cm long, apex acute; mentum triangular-ovoid, 0.4-0.5 cm long, obtuse. Petals obliquely linear, 1 cm long, apex acute. Lip 3-lobed below the middle, 1.2 by 0.8 cm, base broadly cuneate, with 4 keels extending from the base to just below the apex, the keels widened below the middle, on the midlobe lightly undulate, the midvein somewhat thickened; lateral lobes obliquely triangular, obtuse; midlobe about three times as long, elliptic, 0.7 by 0.37 cm, margins lightly undulate, apiculate. Column 0.4 cm long, clinandrium 3-lobulate, the lateral lobules triangular, obtuse, the median twice as long, subulate; column-foot 0.4-0.5 cm long.
(after Schlechter, 1923).

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