Habenaria buettneriana Kraenzl.

A terrestrial herb 3–7 dm. high, glabrous except for the roots.. Tubers ovoid or ellipsoid, sessile or at the ends of slender roots, 1.5–3 cm. long, 1–1.5 cm. in diameter, ± tomentose.. Stem erect, slender or rather stout, leafy in centre, the lower parts rather bare.. Leaves 13–17, the lowermost 3–4 sheath-like, the middle ones oblanceolate or lanceolate, acute, the largest 10–15 cm. long and 2.5–5 cm. broad, the upper 2–4 much smaller, lanceolate, acuminate.. Inflorescence 10–30 cm. long, 3.5–4.5 cm. in diameter, rather laxly many-flowered.. Bracts lanceolate, acuminate, 8–16 mm. long, shorter than the flowers.. Flowers spreading into a nearly horizontal position, green, sometimes tinged pink or brownish; pedicel with ovary bow-shaped, 16-22 mm. long.. Dorsal sepal reflexed, broadly elliptical-ovate or ovate, obtuse convex, 4–5 mm. long, ± 3 mm. broad; laterals deflexed, narrowly obliquely lanceolate, acute, 5–7 mm. long, ± 2 mm. broad.. Petals bipartite nearly to the base; lobes reflexed or deflexed, linear or ligulate, about equal in length, the posterior a little broader, 4.5–6.5 mm. long.. Lip deflexed, 3-lobed from a short undivided claw 1.5–2 mm. long; lobes linear, obtuse; middle lobe 4.5–6 mm. long; side lobes 3.5–5 mm. long.. Spur ± incurved, somewhat swollen in the apical part, 15–27 mm. long.. Anther 1–2 mm. high, loculi parallel, canals very short, less than 1 mm. long.. Stigmas porrect or slightly decurved, club-shaped, 2–2.5 mm. long.. Rostellum triangular, small.

In forests.