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Bulbophyllum stabile

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 2, 2 (1911) 16

Type: Bogor cult. (Lorentz Exp. (Djibdja) s.n. (Noord stream) (holo BO; iso L [probable, s.n. (1911), no coll., no loc])


  • Hapalochilus stabilis (J.J.Sm.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 191 (57)

Pseudobulbs close together, ovoid, with many longitudinal grooves, when young somewhat shiny, c. 1.3-1.5 by 0.7-1 cm; 1-leaved. Leaf erect, subpetiolate, lanceolate, obtuse, shortly apiculate, c. 5.5-8 by 1.3-1.8 cm; midrib above grooved, underneath obtusely keeled. Inflorescences several from the nodes of the rhizome, erect, 1-flowered; peduncle filiform, in the basal part with a few tubular sheaths, c. 6.5 cm long. Flower medium size, c. 1.85 cm long. Sepals reflexed, lanceolate, very shortly acuminate, concave; base convex; nerves dorsally prominent; median sepal with slightly narrowed base, 3-nerved, c. 1.25 by 0.38 cm. Lateral sepals oblique, 5-nerved, c. 1.15 by 0.45 cm. Petals obliquely subrhombic, falcate, pointed, convex, hyaline, 0.13 by 0.07 cm. Lip large, porrect, immobile, clawed, in total c. 1.25 cm long; claw oblong-linear, with erect, towards the base more raised margins and lamella transversely connected, concave, underneath convex, with a longitudinal groove, very base hollow, 0.2 by 0.1 cm; blade narrowly oblong-ovate, subobtuse, strongly convex, margins not revolute, underneath concave, above almost glabrous, to the apex and margins minutely finely warty, when not flattened 0.4 cm wide. Column strongly curved, dorsally compressed, thin, with thickened base, somewhat translucent, 0.23 cm long; clinandrium with teeth; stelidia rather large, as long as the anther, quadrangular, bidentate; stigma longitudinal; column-foot short, wart-shaped. Anther cucullate, laterally compressed; connective thickened. Pollinia oblong, strongly laterally compressed. Ovary pedicellate, above 6-grooved, 0.3 cm above the base articulate, c. 2.25 cm long. (After Smith, 1911)

Pseudobulbs green. Leaf green. Inflorescence pale dirty green, above purple. Sepals dark purple. Petals with a dark purple median stripe and spots. Lip base with dark purple-margin; blade somewhat fleshy pale ochre, above minutely and underneath coarsely dark purple-punctate. Column with longitudinal, dark purple stripes; stigma yellow;. Anther yellow; connective red. Pollinia translucent, yellow. Ovary purple.

Epiphyte in lowland forest.

Malesia (New Guinea).

Papua (Indonesia); Papua New Guinea (locality unknown);see map

Distribution of Bulbophyllum stabile in New Guinea

Warm growing epiphyte.


  • Smith, J.J., Nova Guinea 8, 3 (1911) 585, t. 101B
  • O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 378, fig., pl.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum stabile

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Bulbophyllum stabile

Overview picture of Bulbophyllum stabile J.J.Sm.

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 178

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., habit, drawing Natadipoera, from Bogor cult. (Lorentz Exp., Djibdja) s.n.

Bulbophyllum stabile

Bulbophyllum stabile, P. O'Byrne, drawing

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., P. Obyrne, drawing, plant habit and flower analysis, based on Bogor cult. (Lorentz Exp. (Djibdja) s.n. (Noord stream) (holo BO; iso L

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., floral analysis, drawing J.J. Smith, from Bogor cult. (Lorentz Exp., Djibdja) s.n.

Bulbophyllum stabile

Bulbophyllum stabile J.J.Sm., herbarium sheet, probably holotype specimen, Bogor cult. (Lorentz Exp. (Djibdja) s.n. (Noord stream) (BO, probably holotype specimen)