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Published In: Sunyatsenia 6: 192. 1941. (Sunyatsenia) Name publication detail

Project Name Data (Last Modified On 4/2/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Related Objects:


Illustrations: Ectropothecium wangianum P.C. Chen (Figs. 1–16.)
Map: Ectropothecium wangianum P.C. Chen (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on rocks, sandy soil or rotten wood in forests; alt. 950–1100 m.
Distribution: endemic to China.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Xizang: Mo-tuo Co., Y.-G. Su 1921, 1923c, 1985, 3350 (all in HKAS).

Notes     (Last Modified On 5/6/2009)
general taxon notes:


Ectropothecium wangianum is similar to E. kweichowense Bartr., but differs in having autoicous sexual condition, smaller leaves, and shorter setae. It is different from other autoicous species, e.g., E. dealbatum (Hornsch. & Reinw.) Jaeg., E. monumentorum (Duby) Jaeg., and E. planulum Card., by the narrowly rhomboidal to rather linear leaf cells.


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8. Ectropothecium wangianum P.-C. Chen   密枝偏蒴藓   mi zhi pian shuo xian
Sunyatsenia 6: 192. 1941. Type: China. Hainan, Bai-po, T. He 1122 (holotype PE).
Plants rather robust, pale green, glossy. Stems elongate, prostrate, densely pinnately to bipinnately branched, branches equal in length, ca. 7 mm long. Stem leaves erect-spreading, falcate, broadly ovate- to elliptic-lanceolate, 0.7 mm × 0.3 mm, concave, slenderly acuminate, serrulate at apex; costae double, extending to 1/3 the leaf length; median leaf cells narrowly rhomboidal, somewhat thick-walled; basal cells lax, smooth; alar cells few, small, quadrate or hexagonal, hyaline; branch leaves smaller than stem leaves. Autoicous. Perichaetial leaves plicate, suddenly filiform at apex, margins bluntly denticulate. Setae reddish, ca. 12 mm long; capsules inclined, ovoid to ellipsoid, ca. 1 mm long; peristome teeth reddish yellowish, cross-striate; endostome segments with 2 cilia on low basal membrane. Calyptrae not seen. Spores 10–12 µm in diameter, brownish, nearly smooth.


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