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Published In: Journal of the Hattori Botanical Laboratory 30: 111. 1967. (J. Hattori Bot. Lab.) Name publication detail

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

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Ectropothecium obtusulum (Cardot) Z. Iwats. (Figs. 1–11.)
Map: Ectropothecium obtusulum (Cardot) Z. Iwats. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on rocks in forests; alt. 800 m.
Distribution: China and Japan.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Guangdong: Mt. Dinghu, H. Wu 4 (MO). Guangxi: Xing-an Co., C. Gao & G.-C. Zhang 1397, 1553 (both in IFSBH). Hunan: Heng-shan Co., K.-Z. He 75 (MO, PE).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Ectropothecium obtusulum is different from other species of Ectropothecium by the obtuse or bluntly acute leaf apices, which are similar in some species of Entodon; but it differs from Entodon species by having much smaller capsules.


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5. Ectropothecium obtusulum (Card.) Iwats.   钝叶偏蒴藓   dun ye pian shuo xian
J. Hattori Bot. Lab. 30: 111. 1967. Plagiothecium obtusulum (Card.) Broth., Nat. Pflanzenfam. I(3): 1087. 1908. Isopterygium obtusulum Card., Beih. Bot. Centralbl. 19(2): 140. f. 31. 1905. Type: Japan.
Plagiothecium ovalifolium (Card.) Broth., Nat. Pflanzenfam. I(3): 1087. 1908. Isopterygium ovalifolium Card., Beih. Bot. Centralbl. 19(2):140. 1905.
Plants pale green, glossy. Stems prostrate, ca. 5 cm long, irregularly branched, branches flattened, ca. 1 cm long; in stem cross section epidermal cells small, thick-walled; central strand poorly or not developed; pseudoparaphyllia lanceolate or filamentous. Stem leaves and branch leaves similar, ovate- or oblong-lanceolate, ca. 1.5 mm × 0.6 mm, obtuse or bluntly acute, concave, slightly asymmetric; margins plane, almost entire; costae double, short, sometimes indistinct; median leaf cells 80–100 µm × 5–6 µm; alar cells subquadrate to shortly rectangular, numerous, with an inflated, hyaline, thin-walled. Autoicous. Inner perichaetial leaves lanceolate, slenderly acuminate, ca. 1.5 mm long. Setae elongate, 12–20 mm long, smooth, brownish; capsules horizontal to inclined, ovoid, 1.2–1.5 mm × 0.8–0.9 mm, with an elongate neck, constricted below the mouth when dry; opercula conic, long rostrate; annuli not seen; peristome double, hypnoid, with 1 cilia. Calyptrae not seen. Spores not seen.
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