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Bulbophyllum coloratum

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., Bull. Dép. Agric. Indes Néerl. 39 (1910) 2

Type: Bogor cult. (Exp. Lorentz, Djibdja 855) s.n. (holo BO)

Synonyms:

  • Hapalochilus coloratus (J.J.Sm.) Garay & W.Kittr., Bot. Mus. Leafl. 30 (1985) 187 (53)

Rhizome creeping, short. Pseudobulbs close together, in two rows, initially enclosed by tubular sheaths, erect, ovoid, with a wide longitudinal groove, later longitudinally multigrooved, c. 2-3.2 by 1.1-1.8 cm; 1-leaved. Leaf erect, petiolate, lanceolate, acute, thick coriaceous, rigid, c. 7.5-1 2.5 by 2.6-q.2 cm; base long narrowed, laterally compressed, in cross-section elliptic; margins acute? abruptly? recurved; midrib above grooved, underneath slightly prominent, obtuse; narrowed part c. 2-3.5 cm long. Inflorescences from the nodes of the rhizome, 1-flowered; peduncle more slender than the pedicel, c. 1.2 cm long, at the base with a few overlapping, subulate-acuminate sheaths. Floral bract tubular, subulate, acuminate, keeled, 0.8 cm long. Flower large for the section, c. 33 cm wide. Median sepal somewhat recurved, narrowly lanceolate, acute; base convex, the rest concave; nerves 3, dorsally prominent, c. 1.9 by 0.47 cm. Lateral sepals widely patent, slightly recurved, slightly falcate-divergent, lanceolate, shortly acuminate, acute; nerves 3, dorsally prominent, c. 2 by 0.63 cm. Petals obliquely subulate, sharply acute, 0.68 cm long; base 0.16 cm. Lip hardly mobile, large, porrect, slightly curved upwards, in outline lanceolate, fleshy, in total c. 1.35 cm long; base thick hollow, with 2 obtuse lobules, lower margin a very small attached to the column-foot, 0.4 cm above the base constricted, the more basal part subovate, concave, with erect, towards the base more raised margins, underneath longitudinally grooved, densely reddish brown warty-punctate, 0.27 cm wide; front part ovate-oblong, subobtuse, thick fleshy, convex, its margins strongly recurved, underneath contingentibus, papillose, c. 1 by 0.38 cm. Column moderately long, strongly curved, below the stigma gibbose, 0.5 cm long; clinandrium dilated, dorsally notched, bilobulate; stelidia rather large, quadrangular, with tridentate apex, with a lower tooth. Anther inserted between clinandrium lobules, cucullate, ovate, shortly acuminate; base retuse; connective thickened, almost 0.1 cm long. Pollinia strongly laterally compressed, oblong, yellow; stigma longitudinal, linear, deeply concave. Ovary above thickened, 6-grooved, 0.9 cm long; pedicel articulate 0.45 cm above the base, c. 1.6 cm long. (After Smith, 1911)


Pseudobulbs opaque, green, suffused dirty violet. Leaf subopaque, dark green; narrowed part dirty violet. Peduncle dark purple.Floral bract with greenish keel and apex. Median sepal whitish, with 3 longitudinal, wide, more or less merging dark purple stripes. Lateral sepals with 3 longitudinal, wide, more distinctly merging dark purple stripes. Petals whitish, stripes wide, dark purple, with less dark purple margin. Lip with dark purple, reddish brown warty-punctate, underneath red base; front part yellow, except for the apex densely reddish brown punctuate. Column somewhat shiny, white, slightly suffused purple, the base with a transverse row of purple spots; stelidia with a lemon yellow lower tooth; stigma purple. Anther with whitish base; connective dark brown. Ovary dirty purple, grooves pale red; pedicel dark purple.

Epiphyte in lowland forest; 450-900 m.

Malesia (New Guinea).

Papua (Indonesia); Papua New Guinea; see map

Distribution of Bulbophyllum coloratum in New Guinea

Warm growing epiphyte, requires shaded position.

January, February, March, June, July, August, October, November.

  • Smith, J.J., Nova Guinea 8, 3 (1911) 587, t. 102B
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Codonosiphon
  • Species Bulbophyllum coloratum

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Bulbophyllum coloratum

Overview picture of Bulbophyllum coloratum J.J.Sm.

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., plant habit, photo A. Schuiteman, Leiden cult. 32266

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower, oblique front view, photo A. Schuiteman, Leiden cult. 32266

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 950217 4

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower, oblique lateral view, photo E.F. de Vogel, Leiden cult. 950217 4

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower detail, column and lip, lateral view, photo E.F. de Vogel, Leiden cult. 950217 4

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower detail, column and lip, oblique front view, photo E.F. de Vogel, Leiden cult. 950217 4

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., column and lip base, oblique lateral view, photo Ed de Vogel, Leiden cult. 950189 , from Indonesia, Papua Prov., Aifat Regency

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower, front view, photo A. Schuiteman, Leiden cult. 950217

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., flower detail, centre of flower, oblique lateral view, photo A. Schuiteman, Leiden cult. 950217

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., column and lip base, front view, photo Ed de Vogel, Leiden cult. 20293, from Indonesia, Papua Prov., Pegunungan Bintang Regency

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., column and lip base, oblique front view, photo Ed de Vogel, Leiden cult. 20293, from Indonesia, Papua Prov., Pegunungan Bintang Regency

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., column and lip base, lateral view, photo Ed de Vogel, Leiden cult. 20293, from Indonesia, Papua Prov., Pegunungan Bintang Regency

Bulbophyllum coloratum

Bulbophyllum coloratum, P. O'Byrne, drawing

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., floral analysis, drawing J.J. Smith, from Bogor cult. (Exp. Lorentz, Djibdja 855) s.n.

Bulbophyllum coloratum

Bulbophyllum coloratum J.J.Sm., herbarium sheet, Bogor cult. (Exp. Lorentz, Djibdja 855) s.n. (holotype specimen BO)