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Published In: Bryologia Europaea 5: 89 (fasc. 46–47. Monogr. 3). 1851. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Pylaisia falcata Schimp. (Figs. 1–13.)
Map: Pylaisia falcata Schimp. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on trunks or rotten wood; alt. 1800–5600 m.
Distribution: China, Bhutan, India, Mexico, and South America.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Sichuan: Ba-tang Co., S. He 31382, 31527 (both in MO, PE); Nan-ping Co., S. He 30380, 30402 (both in MO, PE); Ruo-er-gai Co., S. He 30623 (MO, PE); Song-pan Co., S. He 30504b (MO). Yunnan: Fu-min Co., X.-J. Li 8676 (HKAS); Gong-shan Co., Xi-kang, Q.-W. Wang 6452 (PE).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Brotherus (1929) reported Stereodon subfalcatus (Schimp.) Fleisch. (= Pylaisiella falcata) from several localities in Yunnan (Zhong-dian Co., Li-jiang Co., and Kun-ming City), Sichuan (Yuan-yan Co. and Hua-ping Co.), and Xizang. Koponen & X.-J. Li (1992) also reported it from An-ning County in Yunnan province.
Pylaisia falcata is very much like Hypnum plumaeforme, but differs from the latter in having more or less erect leaf apices when dry.


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4. Pylaisia falcata Schimp. in B.S.G.  弯叶金灰藓   wan-ye jin hui xian
Bryol. Eur. 5: 89 (fasc. 46–47 Mon. 3). 1851. Pylaisiella falcata(Schimp. in B.S.G.) Ando, Phyta, J. Soc. Pl. Taxonomists 1: 14. 1978. Stereodon falcatus (Schimp. in B.S.G.) Fleisch. in Broth., Nat. Pflanzenfam. (ed. 2), 11: 452. 1925, hom. illeg.
Hypnum mittenohamatum B. C. Tan in B.Thiers, Mem. New York Bot. Gard. 68: 5. 1992. Pylaisia hamata (Mitt.) Card., Rev. Bryol. 38: 103. 1911. Hypnum hamatum (Mitt.) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1877–78: 312. 1880, hom. illeg. Stereodon hamatus Mitt., J. Linn. Soc., Bot. 12: 533. 1869.
Pylaisia camurifolia (Mitt.) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 307. 1878. Stereodon camurifolius Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 96. 1859.
Stereodon falcatus var. intermedius (Thér.) Thér., Rev. Bryol. Lichénol. 5: 110. 1933. Pylaisia falcata var. intermedia Thér., Smithsonian Misc. Collect. 78(2): 28. 1926.
Stereodon microsporus Broth., Nat. Pflanzenfam (ed. 2), 11: 452. 1925.
Stereodon panduraefolia (Herz.) Broth., Nat. Pflanzenfam. (ed. 2), 11: 452. 1925. Pylaisia panduraefolia Herz., Biblioth. Bot. 87: 126. 1916.
Stereodon subfalcatus (Schimp. in B.S.G.) Fleisch. in Broth., Nat. Pflanzenfam (ed. 2), 11: 452. 1925. Stereodon falcatus var. subfalcatus (Schimp. in B.S.G.) Thér., Rev. Bryol. Lichénol. 5: 110. 1933. Pylaisia subfalcata Schimp. in B.S.G., Bryol. Eur. 5: 89 (fasc. 46–47 Mon. 3). 1851.
Plants fairly large, Hypnum-like habit. Stems creeping, about 5 cm long, regularly or irregularly branched, somewhat flattened, branches ascending, 5–10 mm long, more or less curved; in stem cross section central strand present; pseudoparaphyllia foliose, ciliate at margins. Stem leaves secund, ovate-lanceolate to oblong-lanceolate, slightly concave, 1.6–2.2 mm × 0.6–0.9 mm; margins plane, usually entire or only serrulate at apex; costae double, very short or indistinct; leaf cells narrowly rhomboidal, 50–60 µm × 3–4 µm; alar cells subquadrate, in 6–10 rows and 2–6 cells high along the margins; branch leaves narrowly ovate-lanceolate, 1.6–1.9 mm × 0.4–0.6 mm. Autoicous. Inner perichaetial leaves erect, broadly ovate-lanceolate, involute, smooth, shortly acuminate. Setae reddish brown, 1.5–2.5 cm long; capsules yellowish or reddish brown, erect, cylindrical, 1.5–2.5 mm long; opercula conic, shortly rostrate; annuli developed in 1–2 rows of inflated cells; peristome double; exostome teeth lanceolate, cross-striolate at base on the dorsal surface, papillose above, trabeculate on the ventral surface; endostome segments slenderly lanceolate, slightly longer than the teeth, adherent to the teeth below 2/3, densely papillose; basal membrane low; cilia single or rudimentary. Spores 25–40 µm in diameter, densely papillose.
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