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Dendrobium acanthephippiiflorum

Dendrobium acanthephippiiflorum

Dendrobium acanthephippiiflorum J.J.Sm., Meded. Rijks-Herb. 23 (1915) 10 ('acanthophippiiflorum'); Nova Guinea 12, 3 (1916) 315, t. 114, fig. 208.

Type: Janowsky 401(holo BO).

Synonyms:

  • Eriopexis acanthephippiiflora (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 447.

Stems crowded, elongated, unbranched, flexuose, at the base thin, upwards dilated and laterally compressed, 40 cm by 5 mm (not including the leaf-sheaths). Leaf sheaths 1.3 cm wide, much longer than the internodes, strongly laterally compressed, apex excised. Leaves erect-patent, lanceolate, 8.5-12 by 1.4-2.8 cm, coriaceous, apex narrowly unequally bidentate. Inflorescences laterally from the stems, very short, 2-flowered, spathe very short, 0.2 by 0.77 cm. Pedicel and ovary 1.2 cm long. Flowers c. 3 cm long. Dorsal sepal 2.3 cm by 13 mm, carnose; mentum broadly rounded-saccate, 1.6 cm long, 1.7 cm wide, in front bilobed. Petals 2.1 cm by 9 mm. Lip 3-lobed at apex, mobile, when flattened 1.35 by 1.35 cm; midlobe 3-lobulate. Column 0.65 cm long; column-foot strongly incurved, inside densely transversely verruculose-papillose, 1.65 cm long in natural position, free apical part 0.48 cm long.
(after Smith, 1916).


Flower white, lip with red margin.

Epiphyte in forest, altitude not recorded.

New Guinea (endemic).

Papua (Nabire Regency)

Map: Dendrobium acanthephippiiflorum J.J.Sm., distribution map.

Intermediate growing epiphyte.

June.

Dendrobium acanthephippiiflorum belongs to a small group of species that was separated into the section Eriopexis by Schlechter, characterised by the combination of a very long, incurved column-foot and a strongly flattened stem.


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Dendrobium acanthephippiiflorum

overview

Dendrobium acanthephippiiflorum

Dendrobium acanthephippiiflorum J.J.Sm., drawing J.J. Smith, based on Janowsky 401

Dendrobium acanthephippiiflorum

Dendrobium acanthephippiiflorum J.J.Sm., drawing J.J. Smith, based on Janowsky 401