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Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 727

Type: Schlechter 20122 (holo B, lost)

Synonyms:

  • Hapalochilus acanthoglossus (Schltr.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 185 (51)

Epiphyte, spreading, to 25 cm long. Rhizome stem-like, elongated, with clasping sheaths. Roots filiform, elongated, flexuose, glabrous. Pseudobulbs to 5 cm apart, subcylindrical, subparallel to the rhizome, 1.2-1.5 by 0.3-0.4 cm above the base; 1-leaved. Leaf erect, oblong-lanceolate, subacute, glabrous, 5.5-6.5 by 1.4-2 cm near the middle; base subcuneate. Inflorescences 1-flowered, very short, covered with peduncle-scales. Floral bracts lanceolate, acuminate, about as long as the ovary. Flower c. 1.5 cm wide. Median sepal oblong-ligulate, apiculate, glabrous, 0.85 cm long. Lateral sepals oblique, ovate-oblong, apiculate, 0.85 cm long. Petals obliquely ovate-oblong, obtuse, 0.15 cm long; below the middle along the margins on either side with a short, obtuse lobule. Lip immobile, narrowly ligulate, obtuse, 0.7 cm long; base concave-auriculate; on both sides minutely spiny-papillose. Column curved; stelidia unequally dentate-lobulate; without column-foot. Anther cucullate, keeled-umbonate, glabrous. Ovary sessile, cylindrical, glabrous, 0.4 cm long. (After Schlechter, 1913)


Flowers red. Lip brownish, with yellow apex. Column yellow-green.

Epiphyte in lower montane forest; 250-800 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum acanthoglossum in New Guinea

Intermediate growing epiphyte.

September.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 238, fig. 905
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum acanthoglossum

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Bulbophyllum acanthoglossum

Overview picture of Bulbophyllum acanthoglossum Schltr.

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., plant habit, photo E.F. de Vogel, Leiden cult. 20031710

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., flower, oblique lateral view from above, photo E.F. de Vogel, Leiden cult. 20031710

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 20031710

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., flower, oblique lateral view, photo E.F. de Vogel, Leiden cult. 20031710

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., stem with flowers, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1532

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1532

Bulbophyllum acanthoglossum

Bulbophyllum acanthoglossum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 238, fig. 905