Eulophia ambongensis Schltr., Ann. Mus. Colon. Marseille, sér. 3, 1: 169 (1913).
Homotypic Names:

Lissochilus ambongensis (Schltr.) H.Perrier, Fl. Madagasc. 49(2): 19 (1941).
Heterotypic Synonyms:
Eulophidium perrieri Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 256 (1925).
Oeceoclades perrieri (Schltr.) Garay & P.Taylor, Bot. Mus. Leafl. 24: 268 (1976).
Plants generally 60 cm tall, rachis glabrous, pseudobulbs unifoliate, narrowly connical-tetragonal and attenuate in a cauliform petiole; articulate slightly above the base. Leaf linear (40-50 x 5-7 mm), with the petiole much longer than the limbus, thick and of a green marbled with whitish. Inflorescence non branching or with 1-2 short basal branches, developing prior to the new bulb; peduncle clad with distant sheaths; raceme loosely many-flowered; bracts small, deltoid-acute; flowers very small (11 mm. long),brownish-green with the labellum veined and maculate with red. Sepals oblong-obtuse, 5 mm long, slightly wider above the center. Petals of the same length, oblong-obtuse and slightly decurrent basally. Labellum widely spread basally, wider than long (5 x 6 mm), 4-lobed, the lateral lobes short, semi-oblong and obtuse, the frontal lobes oblong-obtuse and twice as long as the laterals; with 2 oblong calluses; spur sub cylindrical, slightly clavate-obtuse, 3 mm long. Column short with the foot nearly absent. Ovary sessile, generally 6 mm long. Capsule attenuate from the base and 3 angled, obtuse.
Terrestrial; from shady, tropical forests;
Flowering in December.
Mozambique, NW. Madagascar
Flora of Madagascar Perrier 1941; Flora Zambesiaca Vol 11 Orchidaceae Part 2 Pope 1998; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009; Expansion of the orchid genus Eulophia (Eulophiinae; Epidendroideae) to include Acrolophia, Cymbidiella, Eulophiella, Geodorum, Oeceoclades and Paralophia by Mark W. Chase, André Schuiteman & Pankaj Kumar. Phytotaxa 491 (1); POWO (2022). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 26 November 2022."
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