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Published In: Journal of the Hattori Botanical Laboratory 47: 52. 1980. (J. Hattori Bot. Lab.) Name publication detail
 

Project Name Data (Last Modified On 3/27/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/27/2009)
General Reference:

Illustration & Map     (Last Modified On 3/27/2009)
Related Objects:
Illustrations: Taoda 1977 (Fig. 3, A–T, as Schwetschkea formosica).
 
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Map: Helicodontium formosicum (Cardot) W.R. Buck (Distribution in China)

Distribution     (Last Modified On 3/27/2009)
Distribution:
Habitat: on tree trunks, rarely on rock surfaces.
Distribution: China and Japan.
 

Specimens Examined     (Last Modified On 3/27/2009)
Specimens Examined:
Chinese specimens examined: Taiwan: Wanshan (Mt.), Faurie 5 (H).

 

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2. Helicodontium formosicum (Card.) Buck 台湾旋齿藓 tai-wan xuan-chi xian
J. Hattori Bot. Lab. 47: 52. 1980. Schwetschkea formosica Card., Beih. Bot. Centralbl. 19(2): 125. 1905. Type. China: Taiwan, Mt. Maruyama, Faurie 6 (isotype H).
Fabronia formosana Sak., Bot. Mag. (Tokyo) 46: 378. 1932. Type. China: Taiwan, Tai-chiu, Noko-gun, Horisha, Sasaoka 2101.
 
Plants delicate, green or yellowish green, in dense patches. Stems slenderly weak, prostrate, 3–4 cm long, irregularly branched, erecto-patent or creeping, ascending above. Leaves small, erect or erect spreading, not appressed, widely lanceolate, acute, 0.5–0.8 mm × 0.16–0.25 mm; leaf margins plane, mostly entire below, serrulate above; costa slender, weak, disappearing in the middle of leaf; median and upper leaf cells elliptic or narrowly rhomboidal, thin-walled; alar cells quadrate or flat quadrate, in several rows, thin-walled. Monoicous or autoicous. Perichaetial leaves small, ovate-lanceolate, gradually tapering to a narrow apex. Setae slender, 5–6 mm long, yellowish green, smooth, twisted above when dry; capsules ovoid to cylindrical, erect or patent, 0.8–0.9 mm long, 0.4–0.5 mm in diameter; opercula shortly rostrate; peristome double; exostome teeth triangular at base; endostome segments linear, smooth, as long as exostome teeth; basal membrane low. Spores 20–25 µm in diameter, smooth.
 
 
 
 
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