Ancistrorhynchus metteniae (Kraenzl.) Summerh., Bot. Mus. Leafl. 11: 209 (1944).
Homotypic Synonyms:
Listrostachys metteniae Kraenzl. in H.G.Reichenbach, Xenia Orchid. 3: 7 (1893).
Cephalangraecum metteniae (Kraenzl.) Schltr., Beih. Bot. Centralbl. 36(2): 137 (1918).
Heterotypic Synonyms:
Angraecum cephalotes Kraenzl., Mitth. Deutsch. Schutzgeb. 2: 156 (1889), nom. illeg.
Listrostachys braunii T.Durand & Schinz, Consp. Fl. Afric. 5(2): 48 (1895).
Cephalangraecum braunii (T.Durand & Schinz) Summerh. in J.Hutchinson & J.M.Dalziel, Fl. W. Trop. Afr. 2: 462 (1936).
Plant pendent, with a short stem 2–7 cm long; roots 2–3 mm in diameter. Leaves several, linear, unequally bilobed at the apex, each lobe with 2 teeth, articulated at the base to a leaf sheath 1–1.5 cm long, leaves in total 5–25 cm long, 7–24 mm wide. Inflorescences dense, 1.5–2 cm long, many flowered; bracts papery, 6–10 mm long, pedicel with ovary 4–5 mm long. Flowers white with a green mark on the lip, small; dorsal sepal elliptic, obtuse, 3.5–5 mm long, 2–2.3 mm wide; lateral sepals obliquely oblong, obtuse, 4–5 mm long, 2 mm wide; petals elliptic-oblong, obtuse, 3.7–4.7 mm long, 1.7–2.5 mm wide; lip concave, broadly ovate or subcircular, obtuse, 3.5–4.5 mm long and wide; spur straight, somewhat inflated, 2.5–4 mm long.
Epiphyte in shady, evergreen forest; 900–1300 m; flowering in October.
As given for the genus, warm to cool growing epiphyite.
W. Trop. Africa to S. Ethiopia
Flora of Madagascar Perrier 1939/81; Flora of Tropical East Africa Orchidaceae Part 3 Cribb 1989; Field Guide to the Ethiopian Orchids Demissew, Cribb & Rasmussen 2004; Angraecoid Orchids Stewart, Hermans and Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 10.03-2017;
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