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Dendrobium clavuligerum

Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm., Bot. Jahrb. Syst. 66 (1934) 192.

Type: Mayr 525 (holo L).

Synonyms:

  • Grastidium clavuligerum (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 448.

Stems (fragment described) more than 25 cm long, internodes 1-1.2 cm long. Leaf sheaths longer than the internodes, with longitudinal raised lines, minutely verruculose, at the apex with a conspicuous 5-angled, slightly pointed, obtuse, verruculose tooth opposite the leaf-blade. Leaves widely patent, twisted at the base so as to lie in one plane, ovate-lanceolate, 6-7.5 by 1.3-1.85 cm, papyraceous, apex unequally obtusely bidentate. Inflorescences laterally from the stems, 2-flowered, spathe 0.6-0.65 cm long. Pedicel 0.8 cm long; ovary 0.55 cm long. Flowers c. 7 cm across. Dorsal sepal 4 cm by 3.3 mm; mentum 0.5 cm long, obliquely truncate- obtuse. Petals 4.1 cm by 2 mm. Lip 3-lobed, when flattened 1.6 by 0.68 cm; midlobe 0.5 by 0.3 cm, with up to 3 mm long clavate hairs. Column 0.4 cm long; column-foot 0.55 cm long.
(after Smith, 1934).


Not known.

Not recorded.

New Guinea (endemic).

Papua (locality not known).

Epiphyte (requirements not known).

Not known.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Dendrobiinae
  • Genus Dendrobium
  • Section Grastidium
  • Species Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm is easily recognised by the large flowers and the clavate hairs on the midlobe.


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Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm., drawing J.J. Smith, based on Mayr 525

Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm., drawing J.J. Smith, based on Mayr 525

Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm., detail of holotype specimen: Mayr 525 (L)

Dendrobium clavuligerum

Dendrobium clavuligerum J.J.Sm., holotype specimen: Mayr 525 (L)