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Published In: Hedwigia 53: 316. 1913. (Hedwigia) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/11/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/11/2009)
General Reference:

Illustration & Map     (Last Modified On 3/11/2009)
Related Objects:
Illustrations: T. Cao, Horton & C. Gao 1992 (fig. 12, 1–10).
Click here for distribution map.
Map: Encalypta sibirica (Weinm.) Warnst. (Distribution in China)

Distribution     (Last Modified On 3/11/2009)
Habitat: on thin soil over rocks.
Distribution: China, Nepal, Russia (Siberia), Mongolia, Alaska, and North America (Texas).

Specimens Examined     (Last Modified On 3/11/2009)
Specimens Examined:
Chinese specimens examined: Hebei: Mt. Xiao-wu-tai, Y.-Z. Zhuo s.n. VI-VII. 1934 (IFSBH). Sichuan: Bai-ba Co., L.-H. Bai 38-102 (IFSBH). Xizang: Jiang-zi Co., Long-lin, M. Zang 1340 (HKAS).

Notes     (Last Modified On 3/11/2009)
general taxon notes:
Encalypta sibirica is closely related to E. ciliata. It differs from the latter by the hyaline or yellowish hair-points of the leaves, the papillose calyptrae, and lack of a peristome.


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5. Encalypta sibirica (Weinm.) Warnst.   西伯利亚大帽藓   xi-bo-li-ya da-mao xian
Hedwigia 53: 316. 1913. Encalypta ciliata Hedw. var. sibirica Weinm., Bull. Soc. Imp. Naturalistes. Moscou 18: 448. 1845. Type. Russia: Siberia.
Plants small to medium-sized, 1–2 cm high, yellowish green above, brownish below, in tufts. Stems simple; central strand not well developed. Leaves incurved and irregularly twisted when dry, erect-spreading when moist, 2.5–3.0 mm long, oblong to ovate-oblong, apex abruptly narrowed to a hyaline or yellowish hair-point, hair-points about 0.1 mm long, nearly smooth; margins narrowly recurved at both sides of middle and basal portion; costa excurrent, slender in upper part of leaf; upper cells irregularly rounded-quadrate, 14–16 µm wide, densely papillose, obscure; basal cells 35–64 µm × 14–16 µm, with distinctly thickened, reddish brown transverse walls, several rows of marginal cells linear, thin-walled. Autoicous. Perichaetial leaves similar to upper stem leaves. Setae erect, yellowish or yellowish brown, 0.8 mm long, twisted above when dry; capsules cylindric, yellowish, 2.5–3.0 mm long, smooth; peristome absent; annuli undifferentiated; opercula with a straight beak. Calyptrae cylindric to narrowly cylindric, golden to golden brown, covering the whole capsule, papillose throughout except fringe bases, rostrum long, erect, 0.3–0.4 length of calyptrae. Spores 30–35 µm in diameter, proximal surface with numerous radial plicae, distal surface with regulate pattern of protuberances.
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