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Ceratostylis longipes

Ceratostylis longipes

Ceratostylis longipes Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 250

Type: Schlechter 18469 (holo B, lost; iso AMES, BO, K)

Epiphytic, caespitose, 13-20 cm high. Rhizome very short. Roots filiform, elongated, flexuose, puberulous. Stems slender, terete, 1-leaved, at the base covered with lanceolate, acuminate sheaths, 9-14 cm long, 1.50-1.75 mm across. Leaves erect, subulate, acute, 2.5-4 cm long, as wide as the stems. Inflorescences several, arranged into a very small capitulum, covered with ovate-lanceolate, acuminate scales. Flowers erect-patent. Bracts minute, ovate, apiculate. Sepals oblong, subacute, in basal half puberulous. Lateral sepals at the base along the anterior margin conspicuously extended and in front connate at the base; mentum sac-like, oblong, obtuse, 2.5 mm long. Petals linear, shortly acuminate, oblique, glabrous, a little shorter than the sepals. Lip ligulate in basal third, above dilated, oblong, obtuse, in apical fourth carnose-thickened, with slightly incurved margins, 0.4 cm long, lamellae with two thin, minutely ciliolate, parallel lamellae arising above the base, decurrent to above the middle of the lip. Column a little more than half as long as the lip, arms large, obliquely oblong; foot distinctly longer than the column. Anther subquadrate, glabrous, in front bidentate. Ovary and pedicel puberulous, about 0.3 cm long. (After Schlechter, 1911-1914).

Flower yellowish white with reddish mentum and golden yellow lip apex.

Epiphyte in lowland rainforest. Altitude 150 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Warm growing epiphyte, keep in light shade.


  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Eriinae
  • Genus Ceratostylis
  • Section Ceratostylis
  • Species Ceratostylis longipes
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 91, fig. 337
  • Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 123, fig. 28A-M

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Ceratostylis longipes

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Ceratostylis longipes

Ceratostylis longipes Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 91, fig. 337