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Plants 4-10 or more mm, with a basal antheridial branch, medium green to yellowish green; leafless proximally with leaves crowded and bulbiform distally, sometimes laxly foliate throughout. Leaves smaller proximally, distal leaves 2-4 mm, deeply concave, oblong-ovate to broadly obovate distally, acute to apiculate or short-acuminate, entire or weakly serrulate distally; costa subpercurrent to short-excurrent; distal laminal cells thin-walled and inflated, hexagonal or oblong-hexagonal becoming much more oblong proximally. Seta usually (12-)20-45(-80) mm, slender and flexuose, usually hygroscopic. Capsule 2-3.5 mm, pyriform, asymmetric, curved to straight, horizontal to pendent or merely inclined or nearly erect, becoming sulcate when dry below the strongly oblique mouth; annulus revoluble, operculum slightly convex; peristome brown, papillose-striate proximally and papillose distally, strongly trabeculate, becoming appendiculate distally, forming a lattice by fusion of the tips; endostome segments lanceolate about 2/3 as long as the teeth, yellowish, finely papillose-striate. Calyptra cucullate, smooth. Spores mostly 12-21 µm, finely papillose.
Plants medium-sized, gregarious, annual, occasionally perennial. Stems 3-8 mm long. Leaves imbricate, in bulb-like cluster, weakly contorted when dry; broadly elliptical to obovate, 2-4 mm long, concave; apex acute to short acuminate; margins plane to broadly inrolled above, entire to weakly serrate; costa ending below to short excurrent. Upper laminal cells inflated, subhexagonal to short rectangular. Capsule horizontal to pendent, asymmetrical, arcuate, subpyriform, sulcate; peristome double, exostome teeth sigmoid, triangular-twisted, joined at apex; operculum convex, cells twisted counter-clockwise.
