Habenaria trachypetala Kraenzl.

A terrestrial herb 3–8 dm. high.. Tubers ovoid or ellipsoid, 3–4 cm. long, 1.5–3 cm. in diameter.. Stem erect, rather stout, up to 1 cm. in diameter at the base, leafy.. Leaves 6–9, suberect or spreading, the lowermost 1 or 2 sheath-like, the middle ones lanceolate, broadly lanceolate, elliptical-lanceolate or nearly ovate, acute, largest 10–15 cm. long and 2.5–7 cm. broad, the upper 1–3 much smaller, narrowly lanceolate, similar to the bracts.. Inflorescence 10–20 cm. long, 4–6 cm. in diameter, densely many-flowered.. Bracts lanceolate, acuminate, shorter than the flowers.. Flowers suberect or somewhat spreading, green; pedicel with ovary 2–2.5 cm. long.. Dorsal sepal erect, lanceolate, acuminate, convex, 10–18 mm. long, 6–7 mm. broad; laterals obliquely lanceolate, acuminate, a little longer and narrower than the dorsal; all sepals glabrous.. Petals adherent to the dorsal sepal, obliquely lanceolate, acute, much widened on the outer margin in the lower half, as long as the dorsal sepal, 3.5–5.5 mm. broad, densely hairy, and ciliate in the upper part.. Lip pendent, deeply 3-lobed from a narrow undivided base (claw) 5–7.5 mm. long; all lobes linear, ± 1 mm. broad; middle lobe 12-18 mm. long; side lobes 13–23 mm. long, glabrous.. Spur dependent, somewhat bent, swollen in the apical half, 1.5–2.2 cm. long.. Anther ± 3 mm. high, loculi parallel, canals projecting upwards, very slender, 4–6 mm. long.. Stigmas projecting downwards, club-shaped, very obtuse, 3–5 mm. long.. Rostellum middle lobe ligulate, truncate at the apex, overtopping the anther, 4 mm. long.