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!Platydictya subtilis (Hedw.) H.A. Crum 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 GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: The Michigan Botanist 3(2): 60. 1964. (Michigan Bot.) Name publication detail
 

Project Name Data (Last Modified On 2/27/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Distribution Map     (Last Modified On 5/5/2009)
Illustrations: Platydictya subtilis (Hedw.) H.A. Crum (Figs. 7–14.)
Map: Platydictya subtilis (Hedw.) H.A. Crum (Distribution in China)

Ecology & World Range     (Last Modified On 5/5/2009)
Habitat & Distribution:

 

Habitat: on tree trunks and rocks; alt. unknown.
Distribution: China, Japan, India, Bhutan, Caucasus, Europe, and North America.

Specimens Info     (Last Modified On 5/5/2009)
Specimens Examined:

 

Chinese specimens examined: Heilongjiang: Xiao Xing An Ling (Mt.), Y.-H. Wu 1386 (IFSBH). Hubei: Mt. Shennongjia, P.-C. Wu 287b (MO). Nei Mongol: Mt. Helan, Z.-G. Tong 1213 (PE). Shaanxi: Hu Co., Giraldi 1022 (FI).

Notes     (Last Modified On 5/5/2009)
general taxon notes:

 

The plants of Platydictya subtilis are generally smaller than those of P. jungermannioides, and it differs from the latter by its entire leaf margins and its better-developed alar cells.

 

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2. Platydictya subtilis (Hedw.) H. A. Crum   小细柳藓   xiao xi liu xian
Michigan Bot. 3: 60. 1964. Amblystegiella subtilis (Hedw.) Loeske, Moosfl. Harz. 295. 1903. Amblystegium subtile (Hedw.) Schimp. in B.S.G., Bryol. Eur. 6: 48. 1853. Leskea subtilis Hedw., Sp. Musc. Frond. 221. 1801. Type: Germany.
Amblystegiella sinensi-subtilis (Müll. Hal.) Broth., Nat. Pflanzenfam. I(3): 1026. 1908. Platydictya sinensi-subtilis (Müll. Hal.) Redf. & B. C. Tan, Trop. Bryol. 10: 66. 1995. Amblystegium sinensi-subtile Müll. Hal., Nuovo Giorn. Bot. Ital., n.s., 3: 123. 1896. Type: China. Shaanxi (Schen-si), Kuan-tou-san, Giraldi 845 (BM, FI).
 
Plants minute, somewhat rigid, dull, dark green or yellowish green, in loosely caespitose mats. Stems prostrate, less than 1.0 cm long, irregularly branched; stem rounded in cross section; cortical cells small, in 1–2 layers, thick-walled; central strand absent; pseudoparaphyllia small, filamentous or foliose. Leaves erect-spreading, ovate-lanceolate, ca. 0.3 mm × 0.15 mm, gradually acuminate, obtuse at apex; costae single, short or indistinct; margins entire; median leaf cells narrowly rhombic to shortly rhomboidal, 8–16 mm × 7–8 mm, thick-walled; basal cells shortly rectangular; alar cells numerous, subquadrate, arranged along leaf base. Autoicous. Setae ca. 10 mm long; capsules suberect, oblong-ovoid, more or less symmetric; peristome double; exostome broadly lanceolate, cross-striate at base; endostome segments linear-lanceolate, papillose; basal membrane high; cilia 1–2. Spores 12–18 µm in diameter, minutely papillose.
 
 
 
 
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