Eulophia nervosa H.Perrier, Bull. Soc. Bot. France 82: 150 (1935).
Homotypic Synonyms:

Lissochilus nervosus (H.Perrier) H.Perrier, in Fl. Madag. 49(2): 14 (1941).
Plants terrestrial. generally 35 cm tall: leaves graminiform, lanceolate-linear, to 1 cm wide, slightly shorter than the inflorescence, veins projecting and very visible. Scape upright, peduncle longer than the cluster, hearing several sheaths: cluster several flowered, flowers reflexed, narrowly separated from the rachis: flowers very small, 2 mm long. Sepals narrowly lanceolate (12 x 2-2.8 mm) acute, slightly attenuate toward the ends, with 3 heavy, red veins. Petals oblong-lanceolate (9 x 4 mm), acute, slightly attenuate toward the base, with 5 reddish veins, the 2 externals short, the 2 intermediaries well branched, the median thick and simple. Labellum 11 mm long, 8 mm wide medially, obovate, trilobed apically; lateral lobes obtuse; median lobe again trilobed, the lobes equal and undulate-fimbriated marginally, median slightly concave: provided basally with 2 medial calluses with narrow, upright laminas; 18 veined, veins very visible, the 2 median and 8 others attaching to the margins; spur obtuse, 3 mm long, oriface situated 2 mm above the base of the column. Column 5 mm long, thicker apically then basally. Pedicel glabrous, generally 2 cm long.
From peat bogs from 1500 m alt.
Flowering in January.
As given for the genus.
C. Madagascar
Flora of Madagascar: vascular plants: 49th family, Orchids / by H. Perrier de La Bathie; published under the auspices of the government of Madagascar and under the direction of H. Humbert; English revision and translation by Steven D. Beckman; 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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