Corybas fenestratus P.Royen

Plant: small, 6 cm high terrestrial. 

Tuber: globose, 2-3 mm across.  

Stem: 2 - 3 mm high. 

Cataphyll: funnelshaped, 3 mm long, caudate- acuminate, 7 - 9-nerved. 

Leaves: 5-sided-ovate, 10 by 7 mm, acuminate, base cordate, midrib distinct on either side but hardly prominent, basal nerves one on either side of midrib, suprabasal nerves 3 or 4 on either side of midrib, connate to basal nerve: pellucid lenticels mainly in lower part of limb. 

Pedicel: 5 mm long, glabrous. 

Bract: not known

Ovary: narrowly cylindric, 5 - 8 mm long, 6-grooved.  

Median sepal: spathulate, only slightly boatshaped, 23 by 8 mm, obtusish, 5-nerved at base, 13-nerved on hood, the nerves crested on inside in apical 1/3 only, finely papillate on outside of hood near tip only in an irregular crenulate band. 

Lateral sepals: linear, ovate in basal part, 11 by 1 mm, acute. (assumed reversed)

Lateral petals: linear, ovate in basal part, 6.5 by 1 mm, acute. (assumed reversed)

Lip: from a very short, tubular, 3 mm long basal part abruptly widening into a 2-lobed limb, 10 by 12 mm limb, margin coarsely fimbriate at tip only, with 3 darker coloured ribs on either side of midrib and 2 or 3 longitudinal crests between the lateral nerves and midrib, lip entirely glabrous   

Spurs: narrowly conoid, 3 mm long, obtuse.   

Capsule: not seen.

Type: Kloss s.n. (BM).

Distribution: Banderong Valley (Kloss s.n.).

Ecology: Not known 

Elevation: 2735 - 3325 m