Bulbophyllum stolleanum

Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., Bot. Jahrb. Syst. 58 (1923) 136

Type: Ledermann 8188 (holo B, lost); neotype Jongejan cult. 1037 (L. chosen by Vermeulen, Schuiteman & de Vogel, 2018)

Epiphyte, small, tufted, to 17 cm high. Rhizome very short. Pseudobulbs narrowly ovoid or cylindrical-ovoid, c. 2 cm long; 1-leaved. Leaf erect or suberect, oblanceolate-ligulate, acute or subacuminate, subcoriaceous, glabrous, 12-20 by 2-3.4 cm above the middle; base gradually narrowed, petiole-like. Inflorescences 1-flowered, short, hardly 1 cm long; peduncle short, with few peduncle-scales. Floral bracts cucullate, apiculate, much shorter than the pedicellate ovary. Flowers glabrous. Sepals narrowly lanceolate, 2.2 cm long; apex narrowed, subobtuse. Lateral sepals at the base with somewhat widened front margin, forming a short, very obtuse, 0.4 cm long mentum with the column-foot. Petals much smaller than the sepals, obliquely lanceolate-linear, acute, almost two times longer than the column, 0.6 cm long. Lip curved, in outline narrowly rhombic, subobtuse, hardly 0.4 cm long; base in the middle with two indistinct ribs; apical half narrowed. Column short, hardly 0.4 cm long; stelidia suberect, subobtuse, the inner margin obtusely sublobulate, distinctly exceeding the anther; column-foot rather long, with somewhat incurved apex. Ovary pedicellate, glabrous, cylindrical, c. 1.5 cm long. (After Schlechter, 1923)


Flower ochrish yellow yellow with reddish brown spots.

Epiphyte in lowland forest; 150 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum stolleanum in New Guinea

Warm growing epiphyte.

August.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Brachypus
  • Species Bulbophyllum stolleanum

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Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., flowers, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1037, from Papua New Guinea, Milne Bay Prov.

Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1037, from Papua New Guinea, Milne Bay Prov.

Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., flower, lateral view. sepal and petal removed, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1037, from Papua New Guinea, Milne Bay Prov.

Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., flower,oblique lateral view. sepal and petal removed, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1037, from PNG, Milne Bay Prov.

Bulbophyllum stolleanum

Bulbophyllum stolleanum Schltr., drawing Jaap Vermeulen in Vermeulen, Schuiteman & de Vogel, Malesian Orchid Journal 21 (2018) 43, fig. 21