Plants medium-sized, dark red to red-green, rarely entirely green, sometimes black with age. Stems 0.5-2(-3) cm, somewhat julaceous, with metallic sheen, older stem sometimes densely radiculose. rigid, strongly imbricate when dry, red to red-green, sometimes green, broadly lanceolate to narrowly ovate or lingulate, occasionally narrowly triangular, weakly concave, 1-3 mm; base not decurrent; margins revolute proximally, plane distally, entire to finely serrulate distally, limbidium absent; apex acute, not cucullate; costa reddish, percurrent to short-excurrent, awn stout; basal laminal cells occasionally pigmented, in 1 row; proximal cells abruptly quadrate to short-rectangular, 1-2(-3):1; medial and distal cells elongate-hexagonal to vermicular, (50-)60-80 × (8-)10-12 µm, 6-8:1, walls strongly incrassate, parallel to costa. Specialized asexual reproduction rare, by rhizoidal tubers on rhizoids arising from leaf axils, red to red-brown, 100-300 µm. Seta ± straight, red, red-brown, or purple. Capsule inclined to nutant, red-purple, pyriform, 3-5 mm, neck short. Spores 10-15 µm, smooth to papillose, yellowish.
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