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Acianthinae_species
Corybas abditus D.L.Jones
SUMMARY
Plant Glabrous, tuberous, terrestrial herb
Leaf 6-20 mm x 7-12 mm, cordate, bluish green above with three whitish veins, underside greenish purple, pellucid, shortly apiculate
Peduncle 3-6 mm x ca 1 mm, greenish brown
Bract 3.5-5 mm x 3-4 mm, broadly ovate, acuminate to apiculate, closely sheathing
Ovary 4-6 mm x ca 1.5 mm, linear, curved.
Flower solitary, 9-11 mm long, held horizontally, reddish to reddish purple
Dorsal sepal 9-11 mm x 5- 6 mm when flattened, reddish purple, the narrow basal stalk to 4 mm x 1 mm, curved, gradually expanded into an ovate, strongly concave lamina, apex obtuse to truncate
Lateral sepals ca 8 mm x 0.4 mm, linear, subacute to acuminate, white, porrect beneath the ventral surface of the labellum.
Lateral petals ca 6 mm x 0.4 mm, linear, subacute to acuminate, white, curved around anterior margins of the labellum
Labellum 10-11 mm x ca 12 mm when flattened, reddish, tubular, dorsal margins connate, about as long as the dorsal sepal, three-lobed; lateral lobes ca 4 mm across, more or less rectangular, falcate; mid-lobe ca 2 mm across, protruding as a lip, broadly obtuse to truncate; callus central, smooth or with a few short acicular calli in the proximal 6 mm, a densely packed mass of red, acicular, moniliform calli to 1 mm long near the apex, whole mass ca 2 mm across, surface around orifice with scattered, dark red short teeth; orifice ca 4 mm across, laterally curved upwards to the apex, margins darker and with a few, short irregular teeth
Auricles ca 2 mm long, white and reddish, obliquely deflexed, opening ca 1 mm wide, column auricles not protruding through
Column ca 2.5 mm long, curved in distal half; basal auricles ca 1 mm long, curved; anther cap ca 1 mm long, pale yellow, more or less papillate, opening widely; stigma ca 1 mm across, cordate, sunken; pollinarium ca 1 mm x 0.8 mm; pollinia ca 1 mm long, linear-oblong, yellow, mealy; viscidium ca 0.5 mm long, elliptical
Capsule not seen