Corybas betsyae P. Royen

Plant: Small, 2.5 cm high terrestrial. 

Tuber: not seen.  

Stem: very pale green, 9 mm long, 3-ribbed, glabrous. 

Cataphyll: light green, tubular, 6.5 mm long, acuminate, glabrous. 

Leaves: grass green above, slightly paler below; sagittate, 21 by 7 mm, acuminate, margin crinkled-wavy, midrib impressed above, prominent below, basal nerve 1 on either side of midrib, venation hardly existing; sparsely pellucid lenticelled.  Pedicel green, 1.5 mm long, glabrous. 

Bract: light green, linear, but gradually widening towards base, 12 mm long, subulate in upper parts, glabrous. 

Ovary: whitish purple with darker ribs, obliquely ellipsoid, curved, 6 mm long, 6-ribbed, glabrous.  

Median sepal: dirty white on outside but light green toward tip, on inside with scattered purple spots that shine through to outside, narrowly spathulate, curved, boatshaped, 16 by 6 mm, acute and tip upcurved, 3- nerved at base, 5-nerved on hood, midrib crested on outside along entire length, glabrous. 

Lateral sepals: light green, linear, subulate in apical part, widening and boatshaped in basal half, glabrous, sepals 14 - 15 mm long

Lateral petals: light green, linear, subulate in apical part, widening and boatshaped in basal half, glabrous, petals 7 - 9 mm long. 

Lip: on outside at claw whitish, on inside purple and this shining through to outside, for the rest maroon both inside and outside, from a straight, tubular, 6 mm long, basal part curving downward and widening into a 7 by 7 mm large limb, margin coarsely fimbriate, on inside between throat and margin with a broad belt of hispid hairs, glabrous on outside, 3-nerved at base, 13-nerved near margin, midrib crested on outside.  

Spurs: narrowly conoid, curved, 2.5 mm long, glabrous.   

Capsule: not seen.

Type: Royen 11204 (BISH).

Distribution: Mount Amungwiwa, S slope, on track from Upper Watut River to summit (van Royen 12204).

Ecology: In moss cushions in open part of montane oak forest 

Elevation: 1830 m