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Bulbophyllum oreodoxa

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 869

Type: Schlechter 18532 (lecto B, lost; isolecto AMES, BM, BO, K, chosen by Vermeulen 1993); 18270 (syn B, lost)

Synonyms:

  • Bulbophyllum chaetopus Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 868
    - Type: Schlechter 19686 (holo B, lost)

Rhizome creeping, 0.5-1.5 mm diam.; rhizome scales of the longest internodes shorter to slightly longer than those internodes. Roots in tufts below each pseudobulb. Pseudo-bulbs ovoid to approx. orbicular, 0.4-2 cm apart, 0.2-0.7 by 0.15-0.5 cm, not flattened. Petiole 0.3-5 mm. Leaf blade ovate to elliptic, 0.5-2.5 by 0.3-0.8 cm, index 1.34.6, tip acute to acuminate. Inflorescence 3-8 cm, 2-7-flowered. Peduncle 1.7-6.8 cm; bracts 3-5, the longest 2-4 mm. Rachis erect or arching, 0.2-2.5 cm. Floral bracts ovate, 1.2-2.5 mm, tip acute. Pedicel and ovary 3-6 mm, with the node 0.3-1 mm from the floral bract. Flowers all open at the time, moderately opening. Median sepal ovate, 612 by 1.3-2 mm, index 4.5-10, tip long acuminate to caudate; thin; glabrous. Lateral sepals free, 6-12.5 by 1.4-2.2 mm, index 4-7, otherwise as the median sepal. Petals ovate to elliptic, 1.5-2.5 by 0.8-1.4 mm, index 1.4-2.2, tip obtuse to acute; thin; glabrous. Lip curved, general outline ovate, 1.5-1.8 by 0.8-1.2 mm, index 1.5-2.5 (not spread), tip rounded to subacute; thick but soft; glabrous; adx. concave near the base; abx. with an inconspicuous, retuse, median ridge. Column from ovary to the tip of the stelidia 0.5-0.8 mm; stigma protruding at its base, obovate; column-foot without accessories. Stelidia inconspicuous, triangular, tip acute; sometimes with a an inconspicuous, rounded wing along the lower margin. Anther abx. with a ridge; front margin protruding. Pollinia 2. (After Vermeulen, 1993)


Flowers white or cream-coloured.

Epiphyte in lower montane forest; 450-2900 m.

Malesia (New Guinea).

Papua (Indonesia); Papua New Guinea; see map

Distribution of Bulbophyllum oreodoxa in New Guinea

Intermediate growing epiphyte.

February, March, June, August, September, October, November, December.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 303, fig. 1163, as Bulbophyllum chaetopus Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 303, fig. 1164
  • Vermeulen, J.J., Orchid Monogr. 7 (1993) 112, fig. 68
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Macrouris
  • Species Bulbophyllum oreodoxa

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Bulbophyllum oreodoxa

Overview picture of Bulbophyllum oreodoxa Schltr.

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1015

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., flower, front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1015

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., inflorescences, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1015

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., flower detail, column and lip, lateral view, lateral sepal and petal removed, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1015

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., plant habit, photo Ed de Vogel, Leiden cult. 20032498 (de Vogel et al.), from Papua New Guinea, Western Highlands Prov.

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., plant habit, photo Ed de Vogel, Leiden cult. 20032498 (de Vogel et al.), from Papua New Guinea, Western Highlands Prov.

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., plant habit, photo Ed de Vogel, Leiden cult. 20032498 (de Vogel et al.), from Papua New Guinea, Western Highlands Prov.

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., flowers, front view, photo Ed de Vogel, Leiden cult. 20032498 (de Vogel et al.), from Papua New Guinea, Western Highlands Prov.

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., Orchid Monogr. 7 (1993) 112, fig. 68, J.J. Vermeulen, drawing, plant habit and flower analysis, based on Jongejan 1015 (L)

Bulbophyllum oreodoxa

Bulbophyllum chaetopus Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 303, fig. 1163

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 303, fig. 1164

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., detail of herbarium sheet, Schlechter 18532 (isolectotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., herbarium sheet, isolectotype specimen, Schlechter 18532 (isolectotype specimen BO)

Bulbophyllum oreodoxa

Bulbophyllum oreodoxa Schltr., herbarium sheet, Schlechter 18532 (isolectotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew