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Moss China | Family List | Moss China V. 1 | Sphagnaceae | Sphagnum

46. Sphagnum wulfianum Girg., Arch. Naturk Liv-Ehst-Kurlands, ser. 2, Biol. Naturk. 173. 1860.


Plants rather robust, brownish green, tinged with brownish red when dry, in loose carpets. Stem cortex in 2–4 layers, hyaline cells small, thick-walled, without fibrils and pores; central cylinder reddish brown. Stem leaves 0.6–0.7 mm × 0.4–0.5 mm, oblong-triangular, slightly concave, blunt or cucullate pointed, slightly fringed at the apex; borders narrow, evenly differentiated throughout; hyaline cells narrowly rhomboidal, sometimes 1(–2) divided, without fibrils or pores, with irregular membrane gaps in the upper cells, membrane pleats in the lower cells on both surfaces. Branches in fascicles of 6–12, with 3–6 spreading, capitula large. Branch leaves 1.1–1.3 mm × 0.5–0.6 mm, widely recurved when dry, erect when moist, ovate-lanceolate; margins involute-concave above, gradually narrowed to a blunt, dentate apex; hyaline cells narrowly rhomboidal, fibrillose, with small, ringed, elliptic pores at the corners and ends, also near the commissures on the dorsal surface, with few rounded, unringed pores at the ends and corners on the ventral surface, the inner walls adjacent to green cells often faintly papillose; green cells in cross section narrowly elliptic, with a narrow, truncate, nearly equal exposure on both surfaces. Dioicous. Sporophytes not seen.

Type. Sweden.

Chinese specimens examined: HEILONGJIANG: Hong Xing Pref., Vitt 34894 (ALTA, MO).

Habitat: in bogs and sparsely treed woodland; Distribution: China, Russian Far East and Siberia, Europe, Greenland, and North America.

Illustrations: Crum 1984 (Fig. 42, a–l).


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