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Phreatia constricta

Phreatia constricta

Phreatia constricta Schltr., Repert. Spec. Nov. Regni Veg. 16 (1919) 128

Synonyms:

  • Phreatia potamophila Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 937 (non Schltr. 1911)
    - Type: Schlechter 16268 (B, lost); 16765 (B, lost; BO); 18070 (B, lost; BO, L)
  • Phreatia rivularis Schltr., Bot. Jahrb. Syst. 58 (1923) 149 (nom. superfl.)

Basionym: Phreatia potamophila Schltr. (1913)

Epiphytic, 13-25 cm high. Rhizome very short; roots filiform, glabrous. Pseudobulbs subglobose, 2-leaved, c. 0.7 cm diam. Leaves erect-patent or suberect, ligulate, unequally and obtusely bilobulate, towards the base a little narrowed, 5-14 cm long, near the middle 1-1.5 cm wide. Inflorescence two or three times as long as the leaves, rather densely many-flowered, elongated, narrow; peduncle twice shorter than the leaves. Floral bracts lanceolate, suberect, about as long as the flowers. Flowers minute, glabrous. Sepals broadly elliptic, obtuse, about 0.15 cm long. Lateral sepals oblique, towards the base in front dilated. Petals obliquely elliptic, obtuse, c. 0.1 cm long. Lip about as long as the sepals, somewhat constricted in the middle; basal part broadly elliptic, concave; blade subreniform-orbicular. Column short; clinandrium distinctly overtopping the rostellum. Anther reniform-cucullate; pollinia obovoid; stipe linear, as long as the pollinia; viscidium minute. Ovary shortly pedicellate, clavate, c. 0.2 cm long. (After Schlechter, 1911-1914)


Flowers white.

Epiphyte in lowland forest; 100 to 250 m.

Malesia (New Guinea).

Papua New Guinea. See map

distribution map

Warm growing epiphyte.

July, November.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 330, fig. 1273, as Phreatia potamophila Schltr.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Thelasiinae
  • Genus Phreatia
  • Section Bulbophreatia
  • Species Phreatia constricta

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Phreatia constricta

overview picture

Phreatia constricta

Phreatia potamophila Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 330, fig. 1273

Phreatia constricta

Phreatia potamophila Schltr., herbarium sheet, Schlechter 16765 (isotype specimen BO)

Phreatia constricta

Phreatia potamophila Schltr., herbarium sheet, Schlechter 18070 (isotype specimen BO)