Plant at fl. 10–25 cm. tall. Tuber short-ovoid, adjacent to or occ. to c. 1 cm. away from tuber of previous year. Stem erect, ± fleshy. Lf often overtopping raceme; lamina terete, acute. Raceme of c. 5–20 evenly spaced fls, all ± fleshy. Per. reddish-or yellowish-green, two colour forms sts occurring together. Dorsal sepal c. 5 mm. long, ovate, concave, sts recurved; laterals slightly longer, narrower, weakly connate in bud and us. remaining so at least near base, fleshy and channelled, tip often minutely cucullate and shortly apiculate, so appearing bidentate. Petals a little shorter, wider, more delicate. Labellum of similar length, narrow at base and almost sessile, occ. shortly clawed, ovate, recurved but not abruptly so; margin entire, smooth to undulate; callus extending as an irregularly thickened median band almost to the narrowly subacute tip. Lateral processes of column bilobed, anterior lobe membr. and slightly shorter than anther; posterior lobe much smaller and ± callus-like. Anther sessile, just overtopped by rostellum. Stigma barely its own height above column-base.
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