Species Information - Dendrobium infractum

Dendrobium infractum J.J.Sm., Repert. Spec. Nov. Regni Veg. 12 (1913) 118; Nova Guinea 12, 3 (1916) 340, t. 123, fig. 225.

Type: Gjellerup 1155 (holo BO, iso L).

Synonyms:

• Pedilonum infractum (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 460.
• Chromatotriccum infractum (J.J.Sm.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 494

Stems elongated, unbranched, terete, 67.5 cm long, internodes 2.8-3.5 cm long, shorter in upper part. Leaf sheaths verruculose, with prominent veins. Leaves narrowly lanceolate to linear-lanceolate, 1.5-7 by 0.5-1.3 cm, coriaceous, margins in apical part minutely crenulate, apex subacute to acute, apiculate. Inflorescences lateral, racemose, very short, 2-3-flowered. Floral bracts broadly ovate, 0.8 cm long, apex acuminate, outside verruculose. Pedicel and ovary 2.8 cm long, clavate. Flowers 3.3 cm long. Dorsal sepal 1.3 cm by 7 mm; mentum elongate-conical, 1.85 cm long, obtuse. Petals 1.24 cm by 5.5 mm. Lip clawed, spathulate, when flattened 2.2 by 0.53 cm, claw for 1.2 cm adnate to the column-foot; apex cucullate, plicate, subbilobulate, apical margin densely serrate. Column 0.35 cm long; column-foot 1.75 cm long.
(after Smith, 1916).

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