属 cong-ben xian shu
Sp. Musc. Frond., Suppl. 1, 1: 33. 1811, nom. cons.
Plants slender, small to medium-sized, bright green to yellowish green, in dense tufts. Stems erect, simple, rarely monopodially branched, usually moderately tomentose at the base; in cross section rounded triangular; central strand weakly differentiated or absent; outer cortical cells small and thick-walled. Leaves densely arranged, erect, obliquely appressed or curved-contorted when dry, often lanceolate, oblong-lanceolate to ovate-lanceolate or ligulate, acute or gradually acuminate, usually twisted at the apex; margins flat or carinate, entire, sometimes crenulate to weakly rounded-denticulate at shoulder portion of the base; costa strong, ending at or near the apex, or shortly excurrent, strongly keeled, adaxial surface cells large, oblong, thick-walled, smooth; abaxial surface cells small, linear-rectangular, papillose, with 1 stereid band; upper leaf cells rounded-quadrate or rounded-hexagonal, firm-walled to thick-walled, with densely low, rounded, multi-papillae; basal cells somewhat differentiated, subquadrate to irregularly rectangular, firm- or thick-walled, yellowish green to hyaline, smooth. Dioicous; male and female inflorescences terminal on short lateral branches. Inner perichaetial leaves slightly longer than the stem leaves, broad-oblong, attenuate, sheathing at the base. Setae elongate, smooth, yellowish brown or reddish brown, more or less twisted; capsules erect, oblong-obovate to short-cylindrical; exothecial cells irregularly oblong; stomata phaneropore on neck, 4–8 per capsule; annuli absent or in one or two rows of weakly vesiculose cells; opercula obliquely long-rostrate; peristome teeth absent. Calyptrae cucullate, smooth. Spores spherical, yellowish brown, pluripapillose.