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Bulbophyllum ischnopus

Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 205

Type: Schlechter 14343 (holo B, lost; iso BO, BR, K, P)

Synonyms:

  • Bulbophyllum rhodoneuron Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 831
    - Type: Schlechter 18728 (holo B, lost)

Epiphyte, very slender, up to 8 cm long. Rhizome elongated terete. Roots filiform, elongated, flexuose, glabrous. Pseudobulbs close together, slender ascending, about terete, glabrous, 0.4-0.5 by 0.15-0.2 cm above the base; base appressed to the rhizome; 1-leaved. Leaves erect, linear, acute, towards the base somewhat narrowed, in the genus thin, glabrous, 4-6 by 0.2 cm near the middle. Inflorescences 1-flowered, erect, slender, filiform, terete, glabrous, usually somewhat longer than the leaves. Floral bracts minute, ovate, acuminate, much shorter than the ovary. Flowers rather small in the genus, slender pedicellate, opening wide, pendulous. Sepals lanceolate, aristate-acuminate, glabrous, 0.8 cm long. Lateral sepals falcate-oblique. Petals narrowly oblong, obtuse, subfalcate, 0.2 cm long; margins minutely serrulate. Lip somewhat fleshy, lanceolate, obtuse, papillose-ciliate, 0.3 cm long; above the base in front superioria utrinque falcate-auriculate; above glabrous grooved; underneath semiterete. Column short; stelidia subulate-falcate, large, much longer than the anther. Anther cucullate-quadrangular, in front subemarginate-truncate. Pedicel and ovary terete, glabrous, 1.5 cm long. Fruit subcylindrical, 1.5 by 0.3 cm. (After Schlechter, 1905)


Flower yellow, base violetish.

Epiphyte in lower montane forest; 800-2000 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum ischnopus in New Guinea

Intermediate growing epiphyte.

April, September, November.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 788
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 285, fig. 1090, as Bulbophyllum rhodoneuron Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 265, fig. 1011
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Polymeres
  • Species Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr. belongs in series B.


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Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 265, fig. 1011

Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr., J.J. Vermeulen, drawing, flower analysis, based on Schlechter 14343 (holo B, lost; iso BO, BR, K, P)

Bulbophyllum ischnopus

Bulbophyllum rhodoneuron Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 285, fig. 1090

Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr., detail of herbarium sheet, Schlechter 14343 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew

Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr., herbarium sheet, Schlechter 14343 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew

Bulbophyllum ischnopus

Bulbophyllum ischnopus Schltr., herbarium sheet, Schlechter 14343 (isotype specimen BO)