Plants without chlorophyll, holomycotrophic, flowering when 3-22 cm tall. Stems whitish, slender. Basal rosette leaves absent. Cauline leaves ovate-triangular, 1.5-6 × 1-3 mm. Inflorescences 3-13-flowered; bracts ovate-triangular, 1.5-6 mm. Flowers pedicellate or sessile, whitish with yellow tepals, 5-11 mm. Perianth tube 3-5 mm; wings reduced to ribs or absent; outer tepals narrowly triangular, 1.5-3 mm, margin single; inner tepals spatulate, 0.8-1.4 mm, margin single. Stamens sessile or with a short filament, basally adnate to perianth; connectives sometimes with 2 small apical crests but lacking a pendent basal spur. Ovary ellipsoid to obovoid, 2.5-3.5 mm. Capsule subglobose. Seeds subglobose. Fl. and fr. May-Aug.