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Current Genus: Genus Corybas

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Corybas aberrans

Corybas aberrans

Corybas aberrans P.Royen, Phanerog. Monogr. 16 (1983) 94, fig. 25

Type: Carr 16913 (holo L; iso BISH)

Small, 3-12 cm high terrestrial. Tuber ovoid or ellipsoid, 0.2-0.4 by 0.2-0.35 cm. Stem 2-11 cm long, 3-ribbed, glabrous. Cataphyll funnel-shaped, 0.35-0.7 cm long, acuminate, glabrous. Leaves triangular, ovate, or cordate-ovate, 0.8-1.6 by 0.8-1.4 cm, subulate-apiculate, at the base broadly cuneate, mid-rib sunken above, prominent below and stronger so in the basal part, basal nerves 3 on either side of mid-rib but only the inner one reaching apical part of leaf, outer one very short, cross-veins 3 or 4 on either side of mid-rib, venation sparse, transverse. Pedicel 0.15-0.2 cm long. Floral bract narrowly ovate, 0.45-0.5 by 0.1 cm, acute, glabrous. Ovary very narrowly cylindrical, 1.2 by 0.15 cm, 6-winged, with scattered laciniae, several so in the apical part and these often branched. Median sepal from a widely obovate, 0.9 by 0.3 cm large, boat-shaped claw hood-like widened, hood 0.8 by 0.6 cm, claw 3-nerved at the base, hood 11-nerved, all nerves crested on hood only but inner 3 crested in apical part of claw also, mid-rib in apical part of hood with a few triangular laciniae. Lateral sepals and petals linear, 0.15 cm long, acute, without nerves, glabrous. Lip from a slender, tubular-funnel-shaped, 0.8 by 0.3 cm large, basal part abruptly curving downward and spreading out into a broadly elliptic, 0.8 by 0.5 cm large blade, margin coarsely fimbriate-laciniate in apical part only, 3-nerved at the base, 15-nerved near margin, with scattered hispid hairs on inside in a narrow band along margin; spurs oblong-conoid, 0.1 cm long, glabrous. Capsule not seen. (After Van Royen, 1983).

Not recorded.

Terrestrial in upper montane forest.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Cool growing terrestrial.


  • Family Orchidaceae
  • Subfamily Orchidoideae
  • Tribe Diurideae
  • Subtribe Acianthinae
  • Genus Corybas
  • Species Corybas aberrans

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Corybas aberrans

Corybas aberrans P.Royen, draughtsperson not known, possibly Pieter van Royen, in Phanerog. Monogr. 16 (1983) 94, fig. 25

Corybas aberrans

overview picture

Corybas aberrans

Corybas aberrans P.Royen, herbarium sheet, Carr 16913, holotype specimen (L)