Zeuxine stammleri Schltr., Bot. Jahrb. Syst. 38: 151 (1906).
Homotypic Synonyms:
Hetaeria stammleri (Schltr.) Summerh., Bull. Misc. Inform. Kew 1934: 208 (1934).
Rhizome creeping. Stem 14-40 cm tall, erect, delicate, above the leaves sparsely glandular, denser above. Leaves gathered near the base, 3-9, petiolate; petiole with sheath 1.2-2.5 cm long; blade 3-8 cm long, 1-3.5 cm wide, ovate to elliptic, asymmetric, acute. Cauline bracts 4-5, up to I cm long, herbaceous with hyaline margins, ovate, acute, glabrous, amplexicaul, shorter than internodes. Inflorescence 2.5-10 cm long, up to 25-flowered, dull pale pink. Flowers nonresupinate, small, perianth greenish pink and white. Floral bract 4-12 mm long, ovate-lanceolate, acute, delicate, near the base sparsely glandular outside, reddish tinged. Ovary 6-7 mm long, glandular. Dorsal sepal 3-4.5 mm long, 2-2.5 mm wide, ovate to oblong-ovate, subobtuse, delicate, sparsely glandular outside, 3-nerved. Lateral sepals of the same size, obliquely ovate, subacute, delicate, sparsely glandular outside, 3-nerved. Petals 3-4.5 mm long, 1.2-1.5 mm wide, linear in the lower part, oblong-elliptic above, obtuse, very thin, delicate, single-nerved. Lip sessile, constricted near the apex; basal part 2.5-3 mm long, 1.3 mm wide, deeply cochleate with fleshy projections inside near the base, oblong-ovate in general outline, distinctly thickened towards the apex, margins involute in basal half, supervolutive in apical half; epichile 0.3 mm long, I mm wide, transversely rhomboid, with shallow groove in the center, side lobes acute.
Lowland forests with Entandro-phragma spp., Terminalia superba Engl. & Diels., and Megaphrynium macrostachyum (Benth.) Milne-Redh., in shade. December-February, June-Sep-tember.
As given for the genus, hot to warm growing terrestrial.
Ivory Coast, Nigeria, Cameroon, Central African Republic, Equatorial Guinea (Bioko), Sao Tomé and Principe (Principe), Equatorial Guinea, Gabon, the Republic of Congo, the Democratic Republic of Congo (Zaire). Alt. 0-900 m.
Orchidaceae of West-central Africa, vol. 1, Gdansk University Press Gdansk 2010