Plants small to medium-sized, dark red to red-green, rarely entirely green. Stems 0.5-2(-3) cm, julaceous, without metallic sheen, older stem sometimes densely radiculose. Leaves rigid, imbricate, crowded, dark red to red-green, sometimes dark green, ovate, distinctly concave, 1-2(-3) mm; base not or weakly decurrent; margins revolute proximally, plane distally, entire to finely serrulate distally, limbidium absent; apex rounded to broadly acute, not cucullate; costa reddish, not reaching apex or rarely percurrent, awn absent; basal laminal cells occasionally pigmented, in 1 row; proximal cells abruptly quadrate, with scattered short-rectangular cells, 1-2:1; medial and distal cells hexagonal, (40-)50-70 × (16-)18-24 µm, (2-) 3-4:1, walls firm, parallel to costa. Specialized asexual reproduction rare, by rhizoidal tubers, on rhizoids arising from leaf axils, orange-red to red-brown, 100-200 µm. Seta ± straight, red, red-brown, or purple. Capsule nutant, dark red-brown, short-pyriform, 2-3 mm, neck short. Spores 14-18 µm, papillose, yellow-brown.
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