3. Splachnum rubrum Hedw. 红壶藓 hong hu xian
Sp. Musc. Frond. 56. 1801. Type. Lapland.
Plants small, 1.0–1.5 cm high, soft, bright green to yellowish green, in dense tufts. Stems erect, usually simple or branched at base, densely with rhizoids at base. Leaves sparse, smaller below, larger above, 5–7 mm long, obovate, long-acuminate; margins entire below, irregularly serrate above; costa percurrent or shortly excurrent; upper leaf cells hexagonal, lax, thin-walled; lower cells narrowly rectangular. Dioicous. Male plants budlike. Setae slender, 5–15 cm long, orange-yellow; capsules with short-cylindrical urns, brownish or light brownish, ca. 1.5 mm long, apophyses skirtlike, bright reddish, smooth; opercula hemispheric; annuli none; peristome teeth united in pairs, inserted below the mouth, brownish, minutely papillose. Calpytrae not seen. Spores spherical, 11–13 µm in diameter.