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Acianthinae_species
Corybas muluensis J. Dransf.
Media
SUMMARY
Tuber: not seen
Stem: short c. 8 mm, subangular
Cataphyll: sheath up to 4 x 1 mm
Leaf: sessile, heart-shaped, acuminate, flat with smooth margins, to 9-5 mm from origin to tip, 12 mm from basal auricles to tip, 9-5 mm wide at widest point, the auricles shallow, shining mid green, with few inconspicuous veins
Peduncle: none ("flower sessile")
Bract: pale green to 4 x 1 mm
Flower: sessile, to 13-5 mm high, held somewhat backwards
Dorsal sepal: 12 mm, gently curved, +/- acute, 1-5 mm wide at the base, gradually widening to 3-75 mm wide c. 10 mm from the base, then narrowed to the tip, white, 5-veined, marked with 5 dark purple lines within
Lateral sepals: threadlike, c. 9-5 mm, whitish tinged crimson
Lateral petals: c. 11 mm similar to sepals and laterally adnate to them at the base
Labellum: erect in basal half bent through c. 100 deg at the middle, the margins in the basal half forming a tube with the sepal claw, partly expanded in the upper half, +/- cup-like, +/- orbicular, c. 10-5 mm wide when flattened out, the throat +/- convex with a conspicuous white vertically held patch c. 4 mm diam., the lateral wings whitish translucent, conspicuously marked with 4 deep purple- black lines, in the middle the lip bright purple, with scattered dark purple spots and dense papillae, distal lip margin coarsely toothed
Spurs: slender, conical to 4 x 1mm, deep purple
Column: short, c. 1-7 - 0-7 mm, the stigma c. 0-5 mm wide
Distribution: BORNEO. G. Mulu summit, 4th Division, Sarawak, G. P. Lewis 352 (holotype K)
Ecology: Mossy banks in mossy ridge forest
Elevation: 2000 m