Corybas barbarae D.L. Jones

Plant: Glabrous terrestrial herb     

Leaf: 16-32 mm long, 18-36 mm wide, cordate to orbicular, dull green above, mid-vein whitish, secondary veins not conspicuous, light reddish purple and pellucid beneath, apex apiculate 

Peduncle: 1-2 mm long 

Bract: 5-6 mm long, 2.5-3 mm wide, ovate, closely sheathing, acuminate 

Ovary: ca 10 mm long, 2.5 mm wide, recurved 

Flower: solitary, 15-22 mm long, 12-16 mm wide, crystalline white with pink suffusions towards the apex, becoming pinker with age 

Dorsal sepal: to 32 mm long, 20 mm wide when flattened, broadly elliptical, narrowed at base, curved throughout, concave, bulbous when viewed from front, margins more or less incurved, apex apiculate, outer surface suffused pink, inner surface heavily blotched with purplish-red 

Lateral sepals: ca 1.8 mm long, 0.2 mm wide, linear, acuminate, projected upwards against the base of the labellum 

Lateral petals: ca 1 mm long, 0.2 mm wide, linear, acute, falcate, hidden behind the labellum auricles 

Labellum: ca 12.5 mm long, 7 mm wide, mostly hidden by dorsal sepal, translucent white, a large, dark purple blotch on the inner base, tubular for most of its length, distal margins flared and reflexed against tube, the surface of flared part covered with hispid bristles ca 0.25 mm long extending into distal half of tube, callus thickened, fleshy, folded, opaquely white 

Spurs: conical, without nectar, 3 mm long by 0.8 mm wide, slightly curved, convergent, and symmetrically downwards-pointing  

Column: 2.8 to 3 mm, erect, callus obscurely colored, erect, deltoid to lingulate, stocky, 1 mm long and 1.5 mm wide, anther erect, deltoid, cucullate and winged, with slightly papillary margins, stigma prominent, vertical, oval and concave stigma (0.6 × 1 mm), pollinia × 2. 

Capsule: with peduncle elongating in fruit to 5 - 6 cm 

Type: Queensland. Moreton District: Heritage Creek, south-eastern side of Mt Tamborine, 21 May 1987, D.L. Jones 2484 & B.E. Jones, protected slopes in open forest (holo: BRI; iso: CBG,K,MEL,NSW).

Distribution: North-eastern Queensland to central-eastern New South Wales (Atherton Tableland to northern suburbs of Sydney). 

Ecology: Protected areas in open forest and woodland, usually on sheltered slopes or close to streams in shallow clay loams.