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Bulbophyllum trirhopalon

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 883

Type: Schlechter 18726 (holo B, lost)

Synonyms:

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

Epiphyte, pendulous, not or sparsely branched, to 60 cm long. Rhizome stem-like. Roots filiform, glabrous. Pseudobulbs 4-5 cm apart, cylindrical, c. 3 by 0.25-0.3 cm below the middle; 1-leaved. Leaf elliptic, acuminate, 9-12 by 3-3.7. cm near the middle. Inflorescences 1-flowered, very short, with few sheaths. Floral bract very small, distinctly shorter than the ovary. Median sepal concave, ovate, acute, glabrous, 1.4 cm long. Lateral sepals deflexed, elliptic, obtuse, glabrous, 1.1 cm long. Petals obliquely oblong-ligulate; apex with 3 ovoid, acuminate, minutely papillose-puberulous, stalked appendages which in the narrower apical part are covered with patent bristly hairs; petals including the appendages 1.1 cm long. Lip fleshy, ovoid, rostrate-acuminate, 0.7 cm long; base with 2 large concave auricles; above 2-ribbed; underneath densely papillose. Column thick; stelidia very short; column-foot somewhat incurved. Anther quadrangular-cucullate, in front retuse, with a very large umbo, glabrous. Ovary subsessile, cylindrical, glabrous, 1 cm long. (After Schlechter, 1913)


Flower green, inside spotted red. Lip red.

Epiphyte in montane forest; 1775-2400 m.

Malesia (New Guinea).

Papua New Guinea; see map

Distribution of Bulbophyllum trirhopalon in New Guinea

Cool growing epiphyte, requires shaded position.

February, July, November.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 309, fig. 1187
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Epicrianthes
  • Species Bulbophyllum trirhopalon

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Bulbophyllum trirhopalon

Overview picture of Bulbophyllum trirhopalon Schltr.

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1278

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1278

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., flower, lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1278

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., flower detail, centre of flower, front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1278

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., flower detail, centre of flower, lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1278

Bulbophyllum trirhopalon

Bulbophyllum trirhopalon Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 309, fig. 1187