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!Tetraphis geniculata Girg. ex Milde 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: Botanische Zeitung (Berlin) 23: 155. 1865. (Bot. Zeitung (Berlin)) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/17/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Tetraphis geniculata Girg. ex Milde (Figs. 1–9.)
Map: Tetraphis geniculata Girg. ex Milde (Distribution in China)

Distribution     (Last Modified On 5/4/2009)
Distribution:
Habitat: on rotten wood or stumps in cold alpine forests.
Distribution: China, Japan, Russia, and North America.
 

Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:
Chinese specimens examined: Jilin: Mt. Changbai, C. Gao 1111, 1120 (HKAS, IFSBH), D.-K. Li 10114, 10208 (HKAS, SHM). Nei Mongol: Da Xing An Ling (Greater Khingan Mt.), C. Gao 3224, 3591 (HKAS, IFSBH).
 

Notes     (Last Modified On 5/4/2009)
general taxon notes:
Tetraphis geniculata is very similar to T. pellucida Hedw., but differs by its smaller plants, curved and papillose upper setae, and larger and finely papillose spores. This species is distributed in the northern part of China.

 

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1. Tetraphis geniculata Grig. ex Mild.   疣柄四齿藓   you-bing si-chi xian
Bot. Zeitung (Berlin) 23: 155. 1865. Georgia geniculata (Mild.) Brockm., Arch. Vereins Freunde Naturgesch. Mecklenburg 23: 90. 1870. Type. Japan.
 
Plants small, 8–10(–15) mm high, bright green or dark green, in dense tufts. Stems erect, simple, with dense, reddish brownish rhizoids at base. Leaves sparse on lower stem, scale-like, crowded on upper stem, ovate to ovate-lanceolate, 0.6–1.2(–2.0) mm × 0.4–0.7 mm, acute to acuminate at apex; margins plane, entire; costa slender, ending well below leaf apex or sometimes nearly percurrent in upper leaves; upper and median leaf cells irregularly rounded-hexagonal, thick-walled, smooth; lower cells elongate, nearly oblong, less thick-walled. Autoicous. Perichaetial leaves lanceolate, up to 3 mm long. Setae ca. 6.5 mm long, twisted when dry, often flexuous, geniculate in the middle, papillose in the upper part; capsules erect, symmetric, narrowly cylindrical, ca. 2.5 mm × 0.25–0.40 mm, thickened at mouth; opercula long-conic; annuli absent; peristome teeth triangular, inserted below the mouth. Calyptrae brownish, deeply plicate, lobed at base. Spores 14–16 µm in diameter, finely papillose.
 
 
 
 
 
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