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Bulbophyllum flavicolor

Bulbophyllum flavicolor

Bulbophyllum flavicolor J.J.Sm., Nova Guinea 14 (1929) 453, pl. 73, fig. 100

Type: Lam 1498 (holo L; iso BO)

Epiphyte, very small. Rhizome creeping, terete, with a root from the base of the pseudobulb; internodes long; sheaths short, tubular, apiculate. Pseudobulbs base 0.4-0.7 cm apart, depressed, adnate to the rhizome, obliquely elliptic, 0.2-0.3 cm long, 0.43-0.58 by 0.3-0.32 cm; 1-leaved. Leaf wide, suborbicular-elliptic to elliptic, obtuse, apiculate; base shortly contracted in a slightly concave petiole. Inflorescences 1-flowered, from the base of the pseudobulbs, solitary; peduncle filiform, 0.8-0.9 cm long, at the base with few small tubular scales. Floral bract tubular, entirely covering the ovary, appressed to the median sepal, 0.15 cm long; apex widened, recurved, obtuse, apiculate. Flower very small, 0.45 cm long, the sepals and petals subparallel. Median sepal lanceolate, the 2/3rd upper part narrowed, acute, to the apex slightly thickened, slightly concave, 3-nerved, almost 0.5 by 0.17 cm. Lateral sepals decurrent on the column-foot, obliquely lanceolate-triangular, acute, to the apex rather thick, 3-nerved, 0.5 by 0.14 cm at the base. Petals at the base elliptic concave, long very acute subulate-acuminate, glabrous, 1-nerved, in total 0.42 by 0.12 cm; apex thickened, 0.18 cm long. Lip small, with minute claw inserted on the column-foot, mobile, somewhat sigmoid, simple, thin, oblong, obtuse, concave, 3-nerved, when not flattened almost 0.2 by 0.18 cm; base shortly contracted, with a small, short, longitudinal channel; apex slightly recurved, convex; underneath except for the apex convex; top half with papillose-finely ciliate margins. Column very short, 0.06 cm long; clinandrium concave with triangular and thin filament; stelidia short, horizontal, truncate, slightly retuse. Anther very small, high cucullate, 0.04 cm tall; back extended; apex extended in a quadrangular, truncate, channelled beak; connective high, subglobose, minutely cellular-verruculose.; stigma almost entirely covering the front of the lower part of the column, decurrent on the base of the column-foot, longitudinal, elliptic; column-foot making an obtuse angle with the ovary, straight, oblong, its apex not dilated, rounded-truncate, 0.08 cm long. Ovary 6-grooved, 0.07 cm long. (After Smith, 1929)

Pseudobulbs and leaf light green. Flower bright yellow. Lip somewhat darker yellow. Column somewhat lighter yellow.

Epiphyte in lower montane forest; 1420 m.

Malesia (New Guinea).

Papua (Indonesia); see map

Distribution of Bulbophyllum flavicolor in New Guinea

Intermediate growing epiphyte.


  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Minutissima
  • Species Bulbophyllum flavicolor

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Bulbophyllum flavicolor

Bulbophyllum flavicolor J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1498

Bulbophyllum flavicolor

Bulbophyllum flavicolor J.J.Sm., herbarium sheet, Lam 1498 (holotype L)

Bulbophyllum flavicolor

Bulbophyllum flavicolor J.J.Sm., herbarium sheet, Lam 1498 (isotype specimen BO)