Habenaria holothrix Schltr.

A terrestrial herb 1–3 dm. high.. Tubers ellipsoid, 1–1.5 cm. long, scarcely 1 cm. in diameter, sparsely tomentose.. Stem erect, slender, with a single leaf at the base and 2 or 3 lanceolate ± adpressed sheaths scattered along its length, spreading hairy.. Leaf adpressed to the ground, broadly ovate to almost orbicular, very shortly apiculate-acuminate, 1–3 cm. long, 1.5–3 cm. broad, cordate at the base, glabrous or with a few scattered hairs on the upper surface, margins ciliate; sheaths up to 1 cm. long, hairy.. Inflorescence 1–11 cm. long, ± 1.5 cm. in diameter, rather loosely 2–21-flowered.. Bracts lanceolate, acuminate, 3–7 mm. long, shorter than the pedicel with ovary, softly hairy.. Flowers suberect and slightly curved outwards, green or yellow-green, sometimes fragrant; pedicel with ovary 7–11 mm. long, softly hairy.. Dorsal sepal erect, ovate or elliptical-ovate, obtuse, convex, 3–4 mm. long, 2–3 mm. broad; laterals deflexed, obliquely elliptical-lanceolate, obtuse or subacute, 3.5–4.5 mm. long, ± 1.5 mm. broad; all sepals spreading hairy outside.. Petals erect, 2-lobed or bipartite from below the middle, glabrous; posterior (upper) lobe curved-lanceolate, subacute, 2.5–3 mm. long, ± 1 mm. broad; anterior lobe very variable in length, 0.5–5 mm. long, only ± 0.25 mm. broad.. Lip curved downwards, tripartite from an undivided basal part 0.5–1 mm. long, glabrous; all lobes linear, obtuse, the middle lobe 3–6 mm. long, ± 0.75 mm. broad, the side lobes 1.5–5.5 mm. long, ± 0.25 mm. broad.. Spur parallel to the ovary, only slightly thickened in the apical half, 7–10 mm. long.. Anther slightly incurved, ±1.5 mm. tall, rounded, canals upcurved, 0.5–1 mm. long.. Stigmas stout with much broadened truncate apices, ± 1 mm. long.. Rostellum triangular, somewhat hooded, scarcely 1 mm. long.