AFRICAN

ORCHIDS

Holothrix johnstonii Rolfe, Bull. Misc. Inform. Kew 1896: 47 (1896).
Description:

Terrestrial herb (6)16–30 cm tall. Tubers two or three, c. 15 × 10 mm, ovoid. Leaves 2, appressed to ground, fleshy, 3–6 × 2.3–6 cm, broadly ovate to heart-shaped, dark glossy-green with long, weak white hairs. Scape without sheaths, with spreading hairs. Inflorescence up to 10(15)-flowered, flowers secund; ovary 3–6 mm long; bracts 5–7 × 2.5–4 mm, ovate, hairy. Flowers c. 2 cm in diameter, white to rose-pink, usually opening pale and darkening with age; sepals greenish-purple. Sepals 5–7 × 2–3 mm, ovate, hairy. Petals entire, 12–17 × 2 mm,linear-oblong, obtuse, with a slightly raised median nerve. Lip 12–17 mm long, 5–7-lobed, the lobes 2–4 mm long, obtuse, with raised median nerves. Spur 2–3 mm long, conical, obtuse, upturned at apex. Ovary ovoid, constricted at top just below the flower, hairy.
Habitat:

Rock slabs and seepage slopes, exposed or in shade of rocks 1300–2310 m.
Distribution:

S. Malawi