18. Pohlia macrocarpa D.-C. Zhang, X.-J. Li. & Higuchi 疏叶丝瓜藓 shu ye si gua xian
Acta Phytotax. Sin. 40(2): 181. 2002. Type: China. Xizang, Mo-tuo Co., Hanmi to Nage, alt. 2600–2800 m, on rocky soil, S.-K. Chen 78a (holotype HKAS).
Plants medium-sized to large, 15–35 mm high, soft, green or yellowish green, in tufts. Stems erect, simple or rarely branched, with rhizoids at base. Leaves flexuous when dry, spreading when moist, ovate-lanceolate to oblong-lanceolate, 1–3 mm × 0.3–0.8 mm, gradually acuminate and twisted at apex; margins plane, serrulate above the middle, sometimes below the middle; median leaf cells linear, 90–180 µm × 9–12 µm, becoming elongate near margins, but borders not differentiated; apical cells shorter, basal cells broader. Gemmae absent. Dioicous. Perichaetial leaves up to 5 mm long. Setae 50–60 mm long, curved above; capsules suberect, club-shaped; neck shorter than urn, mouth narrowed; annuli persistent; peristome double; endostome segments slightly shorter than the teeth; cilia absent. Spores spherical, pale yellowish brown, 14–19 µm in diameter, smooth.