Habenaria longirostris Summerh.

A terrestrial herb 2 dm. to 1 m. high.. Stem erect, stout, up to 1 cm. in diameter at base, leafy.. Leaves 6–13, spreading, the lowermost 2–4 sheath-like, the middle ones lanceolate-ovate to broadly ovate, acute, the largest 7–16 cm. long and 2–8 cm. broad, the upper 2–3 much smaller, lanceolate, similar to the bracts.. Inflorescence 7–35 cm. long, 6–8 cm. in diameter, rather loosely many-flowered.. Bracts lanceolate, acuminate, 1.5–4 cm. long, shorter than the flowers.. Flowers ± spreading, green with lower part white; pedicel with ovary 1.5–2.5 cm. long, curved.. Dorsal sepal erect, lanceolate, acute, convex, 12–18 mm. long, ± 3 mm. broad; laterals spreading, obliquely lanceolate, acute, 16–18 mm. long, 4–5 mm. broad; all sepals glabrous.. Petals 2-lobed in the upper two-thirds, the lower half adherent to the dorsal sepal, 13–18 mm. long, the lobes long-ciliate, linear, the posterior somewhat longer and broader than the anterior.. Lip projecting forwards, 3-lobed from an entire base 4–5 mm. long, altogether 21–28 mm. long, glabrous; lobes spreading, linear; middle lobe 17–23 mm. long; side lobes 15–18 mm. long.. Spur parallel to the pedicel, somewhat swollen in the apical part, 15–19 mm. long.. Anther 2.5–3 mm. high, rounded at apex, loculi parallel, canals upcurved in apical half, 3 mm. long.. Stigmas projecting forwards, stout, thickened towards the apex, 3–4 mm. long.. Rostellum middle lobe triangular, the apex truncate, much overtopping the anther, 4–5 mm. long.

Grassy plains and open woodland.