Creeping epiphytic herb with a stout woody rhizome 2–5 mm in diameter.Pseudobulbs 2–9 cm apart on the rhizome, 1-leafed, 1.5–4.5 × 0.5–1.5 cm, obliquely ovoid, sometimes slightly 4-angled, green.Leaf erect, coriaceous, 7–20 × 1.5–4 cm, lanceolate to oblong, emarginate at the apex; petiole up to 2 cm long.Inflorescence 5–21 cm long, subumbellate, 2–7-flowered; peduncle with several sheaths.Ovary and pedicel 12–18 mm long; bracts spreading, 4–8 mm long.Flowers light purple, blotched with darker purple, blotchy bronze or clear yellow.Dorsal sepal 9–10 × 8–9 mm, elliptic, concave, with a dark filiform tip 9–10 mm long.Lateral sepals 25–28 × 4–7 mm, twisted so that the outer edges meet becoming connate in the centre.Petals 5–8 × 2–2.5 mm, lanceolate, acute, ciliate on the margin and with a filiform tip c. 5 mm long.Lip fleshy, 6–7.5 × 1.5–2.5 mm, ligulate, recurved, ridged below.Column 5.5–7 mm long, including slender stelidia 3–4.5 mm long.Pollinia 4, obovoid, of equal length.
A creeping epiphytic herb to ± 22 cm. tall. Pseudobulbs narrowly conical, oblique, 1-leafed at apex, 1.5–3.2 × 0.7–1.2 cm., borne 2–6.5 cm. apart on a stout rhizome; roots wiry, in clusters below each pseudobulb. Leaf coriaceous, erect, narrowly oblong, rounded and minutely emarginate above, petiolate below, 8.5–19 cm. long, 1.6–4 cm. broad; petiole sulcate, 1–1.7 cm. long. Inflorescence 5–21 cm. long, umbellate, commonly 2–7-flowered; bracts clustered, lanceolate, acuminate, 5–8 mm. long, 1–2 mm. broad. Flowers flesh-coloured or pale orange-yellow, spotted with purple. Dorsal sepal concave, elliptic, 9 mm. long, 5–8 mm. broad, with a filamentous apical seta to 1 cm. long; lateral sepals narrowly oblong to lanceolate, acute or apiculate, 2.2–3.8 cm. long, 0.4–0.7 cm. broad, ± connate in apical two-thirds but with free apices. Petals lanceolate, acute, falcate, 5–9 mm. long, 2–3.5 mm. broad, margins lacerate, with a fine apical seta to 6 mm. long. Lip entire, fleshy, arcuate, very narrowly cordate, rounded at apex, 6–7.5 mm. long, 2.5 mm. broad, 2-ridged beneath. Column fleshy, 3 mm. long; stelidia 2, slender, acuminate, porrect, 4 mm. long; anther cap hemispherical, with a small central raised boss and dentate apex. Fig. 65, p. 306.
Uganda near Mpumu, Nov. 1935, Dummer 2664!
Zimbabwe Chimanimani Distr., c. 4 km upstream from Haroni/Lusito junction, c. 340 m, fl. 23.xi.1981, Pope & Müller 2040 (K; SRGH).
Malawi Thyolo Distr., Nchima Tea Estate, 750 m, fl. 27.xi.1984, Pettersson 315 (K; UPS).
Malawi Nkhata Bay Distr., 8 km E of Mzuzu, 1200 m, fr. 7.iii.1977, Grosvenor & Renz 1066 (K; SRGH).
Tanzania E. Usambara Mts., Amani, Nov. 1935, Greenway 4174!
Tanzania Kabale, near Suma, Feb. 1976, Cribb & Grey-Wilson 10666!
Orch. Iles Austr. Afr., tab. prem. des espec. & t. 98 (1822); Seidenfaden in Dansk Bot. Arkiv 29 (1): 126, fig. 64 (1973).
Hist. Orchid. [Fl. Iles Austr. Afr.]: prem. tab. espec. & tab. 98 (1822). —Seidenfaden in Dansk. Bot. Arkiv. 29, 1: 126 (1973). —la Croix et al., Malawi Orch. 1: 46 (1983). —Cribb in F.T.E.A., Orchidaceae: 304 (1984). —Vermeulen, Orchid Monogr. 2: 158 (1987). —la Croix et al., Orch. Malawi: 186 (1991). —Geerinck in Fl. Afr. Centr., Orchidaceae pt. 2: 373 (1992). TAB. 108. Type from Madagascar.