Next Species: Corybas ekuamensis

Corybas aduncus

Corybas aduncus

Corybas aduncus (Schltr.) Schltr., Repert. Spec. Nov. Regni Veg. 19 (1923) 21


  • Corysanthes adunca Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 19
    - Type: Schlechter 20073 (holo B, lost)
  • Gastrosiphon aduncus (Schltr.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 447

Basionym: Corysanthes adunca

Epiphytic, very small, about 2.5-3.5 cm high. Roots filiform, elongated, flexuose, puberulous. Leaf broadly ovate, shortly acuminate or apiculate, base cordate, clasping the stem, glabrous, 2.5-4 cm long, below the middle 2-3 cm broad. Flower erect, sessile, floral bract lanceolate-subulate, acuminate, overtopping the ovary for almost half its length. Median sepal linear-clawed at the base, suborbicular-spathulate, hooked, narrowly obtuse, outside verruculose, about, 1.7 cm long, lateral sepals lanceolate-subulate, sharply acute, porrect, about, 0.3 cm long, glabrous. Petals very similar to the lateral sepals and equally long, erect. Lip distinctly shorter than the median sepal, above the raised-cucullate base expanded into a suborbicular blade with entire margins, outside verruculose, tubular part in front towards the base inflated-swollen, at the base outside keeled, with deflexed, cylindrical-conical, narrowly obtuse, oblique, very small spurs. Column short, slightly, thickened, glabrous. Ovary cylindrical, glabrous, about 0.4 cm long, sessile. (After Schlechter, 1911-1914, as Corysanthes adunca Schltr.).

Flower whitish. median sepal with rose-red dots, lip outside with short deep carmine-red stripes, inside with red spots.

Epiphyte on mossy tree-trunks in lower montane forest. Altitude 1000 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, needs humus-rich, well-drained soil and a shaded position.


  • Family Orchidaceae
  • Subfamily Orchidoideae
  • Tribe Diurideae
  • Subtribe Acianthinae
  • Genus Corybas
  • Species Corybas aduncus
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 10, fig. 28, as Corysanthes adunca Schltr.

Sponsored Ads

Corybas aduncus

overview picture

Corybas aduncus

Corysanthes adunca Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 10, fig. 28