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Ceratostylis spathulata

Ceratostylis spathulata

Ceratostylis spathulata Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 139

Type: Schlechter 14365 (holo B, lost)

Rhizome very short, covered with emarcescent sheaths, roots elongated, filiform, flexuose, glabrous. Stems crowded, subfiliform, terete, glabrous, 15-20 cm by 1.5-2 mm, 1-leaved, at the base covered with long, lanceolate, acuminate, emarcescent sheaths. Leaves terete, subulate, 0.5-0.7 by 0.15-0.2 cm, apex acute. Inflorescences in a dense, 10-20-flowered capitulum. Floral bracts lanceolate, as long as or a little shorter than the ovary, apex acuminate. Pedicel and ovary 0.3 cm long, pilose. Flowers c. 4 mm long. Dorsal sepal ovate, 0.15 cm long, glabrous, apex obtuse. Lateral sepals obliquely ovate, 0.15 cm long, mentum spur-like, half as long as the ovary, cylindric, somewhat widened in apical half, obtuse. Petals obliquely lanceolate-oblong, obtuse. Lip obovate-spathulate with linear claw, 0.3 cm long, without keels, obtuse, glabrous, somewhat swollen near the apex. Column short, stelidia twice as long as the anther. Anther in front truncate-obtuse, subretuse. (After Schlechter, 1905).

Flower outside pinkish red, inside white, lip yellow near apex.

Epiphyte in lower montane forest. Altitude 1000 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, grow in light shade.


  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Eriinae
  • Genus Ceratostylis
  • Section Ceratostylis
  • Species Ceratostylis spathulata
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 251
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 92, fig. 339

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Ceratostylis spathulata

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Ceratostylis spathulata

Ceratostylis spathulata Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 92, fig. 339