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Published In: Muscologia Recentiorum Supplementum 4: 80. 1819[1818]. (Muscol. Recent. Suppl.) Name publication detail
 

Project Name Data (Last Modified On 3/16/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/16/2009)
General Reference:

Illustration & Map     (Last Modified On 3/16/2009)
Related Objects:
Illustrations: X.-J. Li (ed.) 2000 (Pl. 21, figs. 1–8).


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Map: Racomitrium fasciculare (Hedw.) Brid. (Distribution in China)

Distribution     (Last Modified On 3/16/2009)
Distribution:
Habitat: on sandy soil or rocks in alpine regions.
Distribution: China, Japan, Russia, Europe, North and South America, and New Zealand.
 

Specimens Examined     (Last Modified On 3/16/2009)
Specimens Examined:
Chinese specimens examined: Taiwan: Ilan Co., Shevock 18224 (CAS, MO); Ping-tung Co., C.-C. Chuang 1054 (H, NY); Tai-pei Co., Schofield & C.-C. Chuang 225 (NY). Yunnan: Da-li Co., Redfearn et al. 1153 (MO, SMS).
 

Notes     (Last Modified On 3/16/2009)
general taxon notes:
Racomitrium fasciculare is characterized by densely pinnately branched stems with short branches, lanceolate leaves ending in bluntly acuminate or acute tips, elongate to linear-rectangular and strongly nodulose-walled leaf cells, and undifferentiated alar cells except for a row of hyaline cells on the basal margins. Racomitrium fasciculare is not as common in China as the literature has reported. Many specimens of R. anomodontoides, which has sparsely and irregularly branched stems, were misidentified as R. fasciculare.

 

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11. Racomitrium fasciculare (Hedw.) Brid.   丛枝砂藓   cong-zhi sha xian
Muscol. Recent. Suppl. 4: 80. 1819[1818]. Grimmia fascicularis (Hedw.) C. Müll., Syn. Musc. Frond. 1: 809. 1849. Trichostomum fasciculare Hedw., Sp. Musc. Frond. 110. 1801. Type. Europe.
Racomitrium fasciculare var. orientale Card., Bull. Herb. Boissier, ser. 2, 8: 334. 1908.
 
Plants medium-sized to rather large, up to 5–6 cm long, green or yellowish green above, brownish green or brown below, in patchy, loose tufts. Stems ascending, densely subpinnately branched, with short branches; central strand absent. Leaves imbricately appressed when dry, erect-spreading when moist, narrowly ovate-lanceolate, somewhat concave and keeled above, sometimes slightly contorted, bluntly acuminate or acute, without hyaline hair-points; margins recurved on both sides; costa strong, percurrent or nearly so; upper and median leaf cells rectangular, 15–35 µm × 4–6 µm, sinuosely thick-walled, with dense, rounded papillae, unistratose at margins; basal cells elongate-rectangular to linear-rectangular, strongly sinuosely thick-walled; alar cells not differentiated, with only a row of rectangular, hyaline, nearly straight-walled cells. Perichaetial leaves oblong-ovate with short lanceolate apex. Setae erect, 5–10 mm long; capsules cylindrical, 1.2–1.8 mm long; opercula long-rostrate; peristome teeth linear-lanceolate, divided nearly to the base, densely papillose. Spores spherical, minutely papillose.
 
 
 


 

 
 
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