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Plocoglottis lancifolia

Plocoglottis lancifolia

Plocoglottis lancifolia J.J.Sm., Bull. Dép. Agric. Indes Néerl. 19 (1908) 33

Type: Versteeg 1600 (holo BO)

Rhizome creeping, covered with sheaths, up to 7 cm long, internodes very short. Pseudobulb small, 1-leaved. Leaf petiolate, erect; petiole 2.5-4 cm long, conduplicate-channelled, keeled below, blade 20-25 by 2.1-2.7 cm, linear, apex tapering acute-acuminate, with 5 prominent veins on abaxial side. Inflorescence 1, erect, longer than the leaf, laxly many-flowered; peduncle 30-33 cm long, pubescent; rachis 12-15 cm long, pubescent. Floral bracts 0.58 by 0.3 cm, triangular, patent at base, falcate, pubescent, apex long acuminate. Flowers 2.9 cm wide, opening in succession. Median sepal 1.21- 1.5 by 0.2-0.43 cm, narrowly-lanceolate, pubescent, with 6 distinct veins, concave, apex acute. Lateral sepals 0.6 (-1.2) by 0.25-0.4 cm, lanceolate, falcate, pubescent, with 5 (-6) distinct veins, base broadly cuneate, with short lobule, apex acuminate. Petals 1.4-1.5 by 0.18-0.2 cm, linear, falcate, few pubescent on abaxial side, thick-textured at apex, margin in lower part thin, with 3-4 distinct veins, base cuneate, apex acuminate. Lip 0.7-0.83 by 0.41-0.57 cm, adnate to column-foot through basal lamellae, subquadrangular, glabrous, with 8 distinct veins, at base with a small sac formed by column-foot and lip base 0.06-0.08 cm long; blade with two flat, thin, obtriangular basal lamellae, with a longitudinal groove in the middle of the adaxial side; slightly thickened above the lamellae along the groove, lateral margins thin, entire in basal part, minutely erose in upper half, apex round, recurved, in the middle with a 0.2 cm long, recurved, triangular, acuminate acumen. Column 0.5-0.56 by 0.15-0.18 cm, clavate, with wing-like lateral margin, sparsely pubescent dorsally. Stigma obovate, base acute. Pollinia almost round. Pedicel with ovary 1.2-1.4 by 0.09-0.11 cm, almost cylindrical, densely pubescent. (After Eang Hourt, unpublished manuscript 2004)


Sepals and petals greenish yellow with red dots, lip white, column yellow.

Terrestrial in lowland forest; 150 m.

Malesia (New Guinea).

Papua (Indonesia). See map

distribution map

Warm growing terrestrial, requires shaded position.

August.

  • Smith, J.J., Nova Guinea 8, 1 (1909) 22, t. 7, fig. 21
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Collabieae
  • Subtribe Not used
  • Genus Plocoglottis
  • Section Plocoglottis
  • Species Plocoglottis lancifolia

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Plocoglottis lancifolia

overview picture

Plocoglottis lancifolia

Plocoglottis lancifolia J.J.Sm., floral analysis, drawing J.J. Smith, from Djibdja 382

Plocoglottis lancifolia

Plocoglottis lancifolia J.J.Sm., floral analysis, drawing J.J. Smith, from Versteeg 1600

Plocoglottis lancifolia

Plocoglottis lancifolia J.J.Sm., herbarium sheet, Versteeg 1600 (holotype specimen BO)