Current Genus: Genus Dendrobium section Calyptrochilus
Next Taxon: Genus Dendrobium section Conostalix
Dendrobium macrifolium
Dendrobium macrifolium J.J.Sm., Nova Guinea 18 (1935) 50, pl. 10, 30.
Type: Docters van Leeuwen 10443 (holo BO).
Synonyms:
Rhizome short. Stems crowded, slender, unbranched, terete, flexuose, 28 cm by 1.6 mm, internodes 1.2-1.6 ('0.6') cm long. Leaves patent at the base, recurved, linear, constricted below the apex, 2.3-3.3 by 0.16 cm, when flattened c. 0.2 cm wide, rigid, channelled, convex below, apex acute to narrowly obtuse. Pedicel 0.25 cm long; ovary 0.24 cm long. Flowers c. 0.68 cm long. Dorsal sepal 0.36 cm by 2 mm; mentum 0.36 cm long, truncate, subretuse. Petals 0.35 cm by 1.5 mm. Lip when flattened 0.68 by 0.24 cm, base adnate to the column-foot for 0.18 cm. Column 0.18 cm long; column-foot 0.33 cm long.
(after Smith, 1935).
Sepals and petals light green, lip darker bright green.
Epiphyte in rainforest. Altitude 250 m.
New Guinea (endemic).
Papua (Paniai Regency).
Warm growing epiphyte.
September.
Dendrobium macrifolium is a distinctive member of sect. Pedilonum because of its very narrow leaves. The green flowers are among the smallest in the section.
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Dendrobium macrifolium
overview
Dendrobium macrifolium
Dendrobium macrifolium J.J.Sm., drawing J.J. Smith, based on Docters van Leeuwen 10443
Dendrobium macrifolium
Dendrobium macrifolium J.J.Sm., detail of isotype specimen: Docters van Leeuwen 10443 (L)
Dendrobium macrifolium
Dendrobium macrifolium J.J.Sm., isotype specimen: Docters van Leeuwen 10443 (L)