Corybas fordhamii (Rupp) Rupp

Plant: small, 20 - 38 mm high terrestrial. 

Tuber: ovoid, 1.5 - 2.5 mm across.  

Stem: 5 - 8 mm high, 3-winged, glabrous. 

Cataphyll: infundibuliform, 2.5 - 3 mm long, acute, 1-nerved, glabrous. 

Leaves: green on both sides, cordate, 13 by 10 mm, minutely apiculate, base cordate, margin slightly wavy, midrib grooved above in the basal part only, prominent below, basal nerves 2 on either side of midrib, only the inner one reaching apical part of limb, suprabasal nerves 2 on either side of midrib, connate to inner basal nerve; pellucid lenticels none. 

Pedicel: 9 - 12 mm long, glabrous. 

Bract: elliptic-oblong, 3-5 - 4 mm long, acute, glabrous. 

Ovary: oblong, trigonous. 6.5 - 8 mm long, 6-grooved, glabrous. 

Flower: reddish purple, median sepal paler towards tip, lip striate with reddish purple bands, at tip on inside with a dark purple spot. 

Median sepal: cuneate-spathulate, cucullate, 12 by 6 mm, retuse, 3-nerved at base, 9-nerved on the hood, midrib subprominent along entire length on outside, elongate-papillate along margin of incision and in apical part of hood. 

Lateral sepals: oblong, 6 - 8 mm long, acute, 1-nerved. 

Lateral petals: linear, 1 mm long. 

Lip: from a very short, tubular, basal part, 1 - 2 mm long, abruptly curved and slightly tubular, widened into a 2-lipped, 7 - 8 mm long, tubular limb, upper lip rounded and retuse, lower lip truncate and retuse, all 4 lobes obtuse and their margins entire, entire lip 3-nerved at base, 9 - 12- nerved near margin, elongate-papillate along margins of the 4 lobes and on inside in apical part of lower lip only  

Auricles: roundish.   

Capsule: not seen.

Type: lectotype: Fordham s.n. (K).

Distribution: South Australia, Mount Lofty Range, Square Water Hole swamps near Mount Compass (Nash s.n.). - New South Wales, Brunswick Heads (Fordham s.n.).

Ecology: In coastal scrub