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Bulbophyllum cyclopense

Bulbophyllum cyclopense

Bulbophyllum cyclopense J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 2, 3 (1912) 75

Type: Gjellerup 553 (holo BO)

Rhizome pendulous, only branched and rooting at the base, flexuose; sheaths tubular. Pseudobulbs 0.45-0.85 cm apart, elongated, subterete, to 0.75-1.5 cm long; basal part long adnate to the rhizome, upper part 0.25-0.6 cm long, appressed to the rhizome; underneath broadly channelled, 0.1 5-0.17 cm diam., with leaf vaginulis and sepals dorsally very minutely furfuraceous-punctate. Leaf oblong-lanceolate, subulate-acuminate, c. 3.5-4.3 by 0.45-0.58 cm; midrib above grooved, below prominent. Inflorescences from the nodes of the rhizome, very short, surrounded with small sheaths, probably producing several flowers in succession. Inflorescences 0.1 5 cm long. Floral bracts tubular-funnel-shaped, acuminate 0.1 5 cm long. Flowers 0.65-0.75 cm wide. Median sepal erect, somewhat sigmoid, oblong-elliptic, subulate-acuminate, concave, 3-nerved, 0.5. by 0.2 cm; apex slightly recurved. Lateral sepals divergent, obliquely oblong-triangular, acuminate, 3-nerved, 0.56 by 0.18 cm; apex concave. Petals very small, parallel to the column, porrect, falcate, obliquely oblong, 1-nerved, 0.2 by 0.08 cm; base narrow, upper side narrow at the base, dilating, the lower side at the base dilating abruptly; apex extending in a narrowly triangular, straight acute-acuminate top; margins except for the apex somewhat erose. Lip mobile, almost straight, 3-lobed, fleshy, 0.3 cm long; lateral lobes basal, erect, short, rather broad, at the back rounded, in front obtusely angled; mid-lobe porrect, ovate-oblong, subobtuse, convex, 0.23 by slightly more than 0.1 cm; underneath entirely hispid, outside except the margins hispidulis. Column 0.16 cm long; stelidia much longer than the anther, subulate-filiform, slightly falcate. Anther cucullate, subovate, obtuse, 0.05 cm long.; stigma longitudinal, oblong; column-foot making an acute angle with the ovary, straight, 0.1 cm long, the apex on either side dilated in a very small, rounded incurved lobule. Ovary 6-grooved, 0.1 cm long; pedicel 0.27 cm long, sigmoid above the base articulate. Fruit oblong-fusiform, c. 1 by 0.45 cm, with 6 wide grooves, ribs 6, strong, high, duplicate; pedicel thin 0.35 cm long. (After Smith, 1913)


Leaves dull green, below light violet-rose red. Flower brownish red.

Epiphyte in montane forest; 1800 m.

Malesia (New Guinea).

Papua (Indonesia); see map

Distribution of Bulbophyllum cyclopense in New Guinea

Cool growing epiphyte.

June.

  • Smith, J.J., Nova Guinea 12, 1 (1913) 88, t. 24, fig. 71
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Polymeres
  • Species Bulbophyllum cyclopense

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Bulbophyllum cyclopense

Overview picture of Bulbophyllum cyclopense J.J.Sm.

Bulbophyllum cyclopense

Bulbophyllum cyclopense aff, P. O'Byrne, drawing

Bulbophyllum cyclopense

Bulbophyllum cyclopense J.J.Sm., floral analysis, drawing J.J. Smith, from Gjellerup 553

Bulbophyllum cyclopense

Bulbophyllum cyclopense J.J.Sm., herbarium sheet, Gjellerup 553 (holotype specimen BO)