AFRICAN

ORCHIDS

Holothrix tridactylites Summerh., Kew Bull. 16: 253 (1962).
Description:

Terrestrial herb 5–11 cm tall. Tubers 10–20 × 5–10 mm, ovoid.Leaf 1, appressed to ground, 7–15 × 7–15 mm, orbicular to reniform, glabrous, more or less withered at flowering time. Scape with retrorse hairs at the base, glabrous towards the apex and with 2–3 bract-like leaves. Inflorescence laxly 2–10-flowered, flowers ± secund; ovary 5–7 mm long; bracts 2.5 mm long. Flowers white, sometimes tinged with lilac. Sepals green, 2–2.5 × 1.25–2 mm, ovate, acute or apiculate, the lateral sepals oblique. Petals 4–5 × 2–6 mm, 3-lobed; lobes 2–3.5 mm long, acute, very shortly papillose. Lip 4–6 mm long, cuneate or oblong, adnate to column at base, 3-lobed, the lobes similar to the petal lobes but slightly shorter. Spur 3–4 mm long, slender, tapering, straight or slightly incurved. Anther c. 2 mm tall.
Habitat:

Dry montane grassland, usually recently burnt 2050–2300 m.
Distribution:

Cameroon, Tanzania to Zambia