Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592
Orchidaceae, I. la Croix & P.J. Cribb. Flora Zambesiaca 11:2. 1998
Miombo and mixed deciduous woodland, often on stony soil, often forming colonies
Terrestrial herb, saprophytic or semi-saprophytic, lacking green leaves and drying almost black.Perennating organs subterranean, tuberous, c. 8 cm long, 1 cm in diameter, cigar-shaped, ± erect, with 1–3 flowering stems arising from the side about halfway along.Inflorescence fairly densely many-flowered; scape brownish-yellow with several brownish sheaths towards the base and 1–2 smaller sheaths further up.Pedicel and ovary arched, pedicel 2–3 mm long, ovary 3–5 mm long, starting to swell before the flowers wither; bracts 9–10 mm long, lanceolate, acuminate, brownish.Flowers rather drooping, sepals brown, greenish-brown or purple-green, petals dull yellow, lip whitish-yellow with yellow papillae on mid-lobe and purple veins on the side lobes.Sepals ligulate-oblanceolate, acute or acuminate, the tips reflexed, dorsal sepal 9–12 × 1.3–2.2 mm, laterals 10–13 × 1.8–2.3 mm.Petals 7.5–11 × 1–2.4 mm, narrowly oblong-elliptic, acute or apiculate.Lip 9–10 mm long, 4–4.8 mm wide when flattened, 3-lobed in the apical half; side lobes rounded-triangular; mid-lobe 4–4.5 × 3–3.6 mm, the apex rounded or apiculate, the edges crisped; callus of 3 low crests in the basal half, the mid-lobe covered with papillae.Spur 2–3.5 mm long, straight, inflated at apex.Column 3.5 mm long, the anther with 2 very short recurved hairs.
