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Phreatia dulcis

Phreatia dulcis

Phreatia dulcis J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 2, 3 (1912) 77

Type: Bogor cult. (de Kock) 122 (holo BO), from West New Guinea, Southern Part

Pseudobulbs closely spaced, short-ovoid, somewhat laterally flattened, 0.8 cm long, 1.1 cm wide, at the base covered with cataphylls, 2-leaved. Leaves almost strap-shaped, apex unequally obtusely 2-lobulate, at the base conduplicate, along the mid-rib grooved above, prominent below, above on either side of the mid-rib convex, fleshy-coriaceous, 8 by 1.4-1.6 cm. Inflorescence arising from the axils of the lower cataphylls, elongated, ascending, curved, secund, laxly many-flowered, at the apex more lax; peduncle laterally flattened, 6.5 cm long; peduncle-scales small, c. 5, tubular; rachis angular, grooved, glabrous, 11.5 cm long. Floral bracts triangular, gradually acuminate, concave, to 0.18 cm long. Flowers very small, sweetly fragrant, 0.24 cm long. Median sepal erect, ovate-triangular, acute, convex, 0.13 by 0.1 cm. Lateral sepals obliquely broadly ovate-triangular, subobtuse, 0.13 by 0.15 cm; mentum short, pointing backwards, rounded, about 0.05 cm long. Petals obliquely elliptic, obtuse, 0.1 cm long, 0.07 cm wide. Lip concave, at the apex recurved, flattened, 0.13 cm long; claw broad, dilated on either side, 6-angular, with two longitudinal, narrow concavities, 0.08 cm wide; blade transversely triangular, basal corners erect, with recurved margins, apex obtuse, in the basal part puberulous, 0.04 cm long, 0.1 cm wide. Column very short, dorsally convex, 0.04 cm long; clinandrium large, concave, denticulate; rostellum prolonged, bipartite; column-foot making an acute angle with the ovary, incurved, linear, 0.03-0.04 cm long. Anther cucullate, transversely elliptic-reniform, very shortly rostrate, 0.05 cm wide; pollinia 8, obtriangular; stipe rather short, linear; viscidium lanceolate, 0.03 cm long; stigma transverse. Ovary with pedicel clavate, 6-grooved, 0.2 cm long.
(After Smith, 1913)


Leaves dark green. Peduncle and rachis green. Flower white. Pollinia yellow. Ovary bright green.

Epiphyte in lowland forest.

Malesia (New Guinea).

Papua (Indonesia), southern part, locality not specified.

Warm growing epiphyte.

Not known.

  • Smith, J.J., Nova Guinea 12, 1 (1913) 98, t. 27, fig. 83
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Thelasiinae
  • Genus Phreatia
  • Section Bulbophreatia
  • Species Phreatia dulcis

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Phreatia dulcis

Phreatia dulcis J.J.Sm., floral analysis, drawing J.J. Smith, from Bogor cult. (de Kock) 122