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Published In: Prodromus Florae Stargardiensis Supplementum 64. 1819[Jul]. (Prodr. Fl. Starg. Suppl.) Name publication detail

Project Name Data (Last Modified On 3/4/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/5/2009)
General Reference:

Illustration & Map     (Last Modified On 3/5/2009)
Related Objects:


Illustrations: Crum 1984 (Fig. 37, a–f; fig. 38, c–e, as Sphagnum subsecundum var. contortum).

Click here for distribution map.

Map: Sphagnum contortum Schultz (Distribution in China)

Distribution     (Last Modified On 3/5/2009)


Habitat: in wet, rich fens near water.
Distribution: China, Japan, Caucasus, Europe, and North America.

Specimens Examined     (Last Modified On 3/5/2009)
Specimens Examined:


Chinese specimens examined: Jilin: Jiao-he Co., C. Gao 3031 (IFSBH, MO). Liaoning: Zhangwu Co.,Wufeng Shan (Mt.), C. Gao 930 (IFSBH, MO).


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6. Sphagnum contortum Schultz    扭枝泥炭藓  niu-zhi ni-tan xian
Prodr. Fl. Starg. Suppl. 64. 1819. Sphagnum subsecundum Nees ex Sturm var. contortum (Schultz) Hüb., Muscol. Germ., 27. 1833. Type. Europe.
Plants small to medium-sized, brownish green to yellowish brown; branches of capitula usually curved, terminal buds small. Stem cortex in 2–3 layers, hyaline cells without fibrils, with pores at the upper ends; central cylinder green to pale brown. Stem leaves 1.0–1.3 mm long, oblong-ligulate to oblong-triangular, with rounded and concave apex; borders gradually widened below; hyaline cells undivided, fibrillose, without pores or with only a few pores in the upper cells on the dorsal surface, few to numerous pores on the ventral surface. Branches in fascicles of 4–6 with 2–3 spreading and 2–3 pendent, rather distantly set, concealing the stems. Branch leaves 1.2–2.0 mm long, broadly oblong-ovate, concave, more or less curved-secund at the apex; hyaline cells without pores or rarely with a few pores on the ventral surface, with numerous ringed, rounded elliptic pores scattered or sometimes in commissural rows on the dorsal surface; green cells in cross section narrowly elliptic, centrally located, exposed equally on both surfaces. Dioicous. Sporophytes not seen.


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