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Published In: Lindbergia 16: 167. 1990[1992]. (Lindbergia) 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)
Illustrations: Breidleria erectiuscula (Sull. & Lesq.) Hedenäs (Figs. 1–11.)
Map: Breidleria erectiuscula (Sull. & Lesq.) Hedenäs (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on tree trunks, rotten wood or rocks in forests; alt. 890–200 m.
Distribution: China and Japan.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Jiangsu: Yi-xing Co., M. Zang 10 (HKAS). Jiangxi: Mt. Lu, E.-Z. Bai 36850 (IFSBH). Shanghai: Mt. She, R.-J. Wu 24 (HKAS). Yunnan: Yong-shan Co., X.-J. Li 4274 (HKAS).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
This species is characterized by its rather robust plants, cylindrical capsules, and weakly secund leaves.


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1. Breidleria erectiuscula (Sull. & Lesq.) Hedenäs   阔叶扁灰藓   kuo ye bian hui xian
Lindbergia 16: 167. 1990 [1992]. Pylaisia erectiuscula (Sull. & Lesq.) Mitt., Trans. Linn. Soc. London, Bot. ser. 2, 3: 180. 1891. Hypnum erectiusculum Sull. & Lesq., Proc. Amer. Acad. Arts 4: 281. 1859. Type: Japan.
Hypnum homaliaceum (Besch.) Doignon, Rev. Bryol. Lichénol. 22: 48. 1953. Breidleria homaliacea (Besch.) Broth., Nat. Pflanzenfam. (ed. 2) 11: 455. 1925. Stereodon homaliacens (Besch). Broth., Nat. Pflanzenfam. I(3): 1072. 1908. Plagiothecium homaliaceum Besch., Ann. Sci. Nat., Bot., ser. 7, 17: 385. 1893.


Plants robust, up to 10 cm long, bright green or yellowish green, glossy. Stems prostrate, radiculose, irregularly pinnately branched, branches spreading, flattened, ca. 2.0 cm long or longer; in stem cross section epidermal cells large, thin-walled, outer cortical cells 3–4 rows, hyaline or slightly yellowish, medullar cells large, thin-walled, central strand slightly differentiated; pseudoparaphyllia absent. Stem leaves rounded ovate or oblong-elliptic, 2.7–3.2 mm × 0.8–1.3 mm, shortly acuminate, rarely shortly apiculate, somewhat falcate-secund and concave, more or less undulate when dry; margins plane, serrulate above; costae double, short, or indistinct; median leaf cells linear, 50–70 µm × 3–4 µm, thin-walled; basal cells hyaline; alar cells lax, subquadrate or shortly rectangular, 4–10 rows of short cells at margins; branch leaves smaller. Autoicous. Perichaetial leaves erect, lanceolate, plicate, serrulate above, costae indistinct. Setae 3.0–4.5 cm long, yellowish to reddish brown, twisted when dry; capsules cylindrical, 2.5–3.5 mm × 0.8–1.2 mm, dark brown to reddish brown, horizontal, arcuate, constricted below the mouth when dry, not wrinkled; opercula conic, slenderly rostrate; annuli developed, in 2 rows; peristome typically hypnoid, with 2–3 cilia. Calyptrae not seen. Spores mostly smooth, 12–15 µm in diameter.


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