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!Pogonatum contortum (Menzies ex Brid.) Lesq. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Memoirs of the California Academy of Sciences 1: 27. 1868. (Mem. Calif. Acad. Sci.) Name publication detailView in Biodiversity Heritage Library
 

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: Pogonatum contortum (Menzies ex Brid.) Lesq. (Figs. 1–12.)
Map: Pogonatum contortum (Menzies ex Brid.) Lesq. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Distribution:
 
Habitat: mostly on forest ground, rarely on shady moist forest ground.
Distribution: China, Japan, Russia (Far East), and western North America.
 

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Guangdong: C. O. Levine 717 (PE); Mt. Luofu, Merrill 10419 (FH); Xin-feng Co., Y.-W. Taan 240 (FH). Guangxi: Qian-nan Co., S. K. Lan 4318 (PE). Hainan: Gan-nen Co., S.-K. Lan 5494 (IBSC). Sichuan: Mt. Omei, P.-C. Wu 5404 (PE). Taiwan: Tai-chuan Co., Shevock 18032 (CAS, MO).
 

Notes     (Last Modified On 5/6/2009)
general taxon notes:
This species is very similar to Pogonatum cirratum, but differs from the latter by having broader blades and serrulate lower leaf margins.

 

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4.  Pogonatum contortum (Brid.) Lesq.   扭叶小金发藓   niu ye xiao jin fa xian
Mem. Calif. Acad. Sci. 1: 27. 1868. Catharinella contorta (Brid.) Kindb., Rev. Bryol. 21: 35. 1894. Polytrichum contortum Menz. ex Brid., J. Bot (Schrader). 1800(2): 287. 1801. Type: North America, Menzies s.n.
Pogonatum asperrimum Besch., Ann. Sci. Nat., Bot., ser. 7, 17: 355. 1893.
 
Plants large, dark green, brownish green when old, tufted in large patches. Stems 5–10 cm long, usually simple. Basal leaves small, deciduous; upper leaves erect patent when moist, strongly crisped when dry, slightly constricted from rounded oval base to a broad lanceolate limb, sheathing indistinct, ca. 1 mm wide; leaf marginal cells 1–2 layers, up to 3 cells wide, rarely remotely grossly toothed, teeth consisting of several cells, light brown; costae broad, with spines on the back; lamellae ca. 40 ranks, disappearing along leaf margins, 2–3 cells high; apical cells of lamellae slightly differentiated, larger, round, 15–20 µm in diameter, thin-walled; other cells short-quadrate or nearly rectangular, 12–25 µm ×10–15 µm. Dioicous. Male plants dwarfed; perigonial leaves few. Setae single, dark brown, 20–30 mm long; capsules erect, narrowly ovoid, ca. 2.5 mm ×1.0 mm; exothecial walls mammillose; peristome teeth 32, ca. 0.25 mm long, lanceolate, obtuse at apex; membrane low. Spores 8–12 µm in diameter.
 
 
 


 

 
 
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