Plants yellow-green to golden. Stems 0.1-1 cm, gemmiform. Leaves ovate to triangular, strongly concave, 0.5-1.5(-2) mm; margins plane to revolute proximally; apex acute to acuminate; costa percurrent to short-excurrent; proximal laminal cells abruptly quadrate to short-rectangular, 1-2:1; medial and distal cells 8-12(-16) µm wide, 3-4:1. Specialized asexual reproduction by leaf axil bulbils, bulbils many (more than 25), variously shaped, often obconic or keyhole-shaped, (40-)50-70 µm, primordia absent or very short and peglike, in (2-)3(-4) tiers with 1 cell in first tier, 2 in second tier, and 4-6 in distal tier with longitudinal and transverse red or green septa. Capsule nutant, red to red-brown at maturity, 1-2(-3) mm; hypophysis thickened, not inflated, not or weakly rugose; peristome well developed; endostome not adherent to exostome, basal membrane high, segments well developed, perforations ovate, cilia long, appendiculate.
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