Rosulabryum subfasciculatum

Dioicous. Asexual reproduction by globose or ellipsoid, pale red to orange-red rhizoidal tubers. Tufts on soil, yellowish green or green, glossy, 10–50 mm tall. Stems simple or occasionally branched by innovation, with a brown tomentum toward base. Rhizoids brown to reddish brown. Leaves distinatly arranged on stem, upper leaves folded longitudinally, ovate or obovate to lanceolate, 2.3–6.6 mm long, carinate; apex mucronate to cuspidate; costa excurrent; margin serrate in apical 1/4–1/2, reflexed in basal half or plane, with 2–3 rows of more elongate cells forming a moderately distinct border, yellowish in older leaves; laminal cells in apical half elongate-rhomboidal, occasionally hexagonal, 50–80 μm long, 13–17 μm wide; basal laminal cells rectangular. Seta 15–35 mm long. Capsules pendulous to horizontal, clavate-pyriform, 4–6 mm long.