Plants small, green, yellow-green, often reddish. Stems0.4-1(-1.5) cm; rhizoids pale to bright violet, purple, or rarely red-purple. Leaves loosely set, ovate-lanceolate, weakly concave, 0.4-1(-1.5) mm; base not decurrent; margins plane to weakly revolute basally, entire to serrulate distally, limbidium absent; apex acute; costa short-excurrent, awn slender; alar cells similar to adjacent juxtacostal cells; proximal laminal cells abruptly quadrate to short-rectangular, 2-4:1; medial and distal cells (30-)40-60 × 8-14 µm, 3-4:1. Specialized asexual reproduction by rhizoidal tubers, on long rhizoids in soil, purple-red or rarely orange, irregularly spheric, 60-80(-100) µm, cells 25-30 µm, smooth. Sexual condition dioicous. [Capsule nutant, 1-3 mm].
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