Plants brown proximally, yellowish to dark green distally, dull to glossy, in loose tufts. Stems 1-6(-8) cm, radiculose proximally with whitish to reddish brown rhizoids. Leaves erect-patent, flexuose, spreading at ca. 45º or more when wet, occasionally falcate-secund at stem apices, 3-8 mm, often deciduous, abruptly narrowed from an ovate base into a setaceous subula, subtubulose proximally, channeled distally, margins serrulate to serrate at shoulders, usually strongly serrate distally, apex acute; costa distinct, occupying ca. 1/3 of leaf base; cells not thick-walled or pitted, distal cells linear, 24-56 × 5-6 µm, basal cells broadly rectangular, hyaline, ca. 9 µm wide, alar cells sometimes forming indistinct auricles, hyaline. Seta 15-20 mm, erect-sinuose. Capsule 1.5-2 mm; operculum not seen, reportedly shorter than the capsule. Spores 9-14 µm.