Plants medium-sized, occasion-ally large, in loose tufts, light green to yellowish. Stems to 3-6(-12) cm, creeping to ascending, straight or curved, terete-foliate, irregularly to regularly pinnate, branches to 8(-15) mm, straight to curved near apices, terete-foliate. Stem leaves appressed to erect, imbricate, ovate-triangular, concave, not or slightly plicate, 1.4-2.2 × 0.8-1.3 mm; base decurrent; margins plane, entire or minutely serrulate in acumen (especially at shoulders of acumen); apex gradually tapered or broadly rounded and then abruptly short and narrowly acuminate; costa (20-)50-70% leaf length, broad proximally, quickly narrowing at 10-20% leaf length, very narrow most of its length, terminal abaxial spine absent; alar cells 30-65 × 15-30(-35) µm, walls thin, region abruptly or gradually differentiated, pellucid; laminal cells elongate, (40-)70-140(-170) × 6-10 µm; basal juxtacostal cells short-or long-rectangular, slightly broader than laminal cells, region in 2 or 3 rows. Branch leaves similar, or in narrow branches much narrower; margins almost entire. Sexual condition dioicous. Seta reddish orange, 2-2.5 cm, rough. Capsule inclined, horizontal, or slightly pendent, orange-brown, ovate, curved dorsally, to 1.8 mm. Spores 13-16 µm.