| + | Roots fascicled in a short rhizome: lvs. subradical, ovate or lanceolate, membranaceous, more or less petioled: infl. a lax raceme borne on a simple elongated scape; the pedicels often glandular-pubescent: fls. medium-sized; sepals free, spreading; petals adnate to the column, narrower than tne sepals; labellum adnate to the base of the column by a claw, ascending, with the lateral lobes winged; column short or rather long, terete, apex broadened: caps, oblong, erect, beakless. —About 30 species, Trop. and Subtrop. Amer. |