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Glyphomitriaceae M.Z. Wang Search in IPNISearch in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Published In: Flora Bryophytorum Sinicorum 5: 9. 2011. (Fl. Bryophyt. Sin.) Name publication detail
 

Project Name Data (Last Modified On 6/15/2011)
Acceptance : Accepted
Project Data     (Last Modified On 12/16/2011)
General Reference:
Contributor: Wang, Mei-Zhi

Notes     (Last Modified On 12/16/2011)
general taxon notes:
The systematic position of Glyphomitrium Brid. had been uncertain since the family classification system was published (Fleischer 1904). Brotherus (1909) initially placed it in the Grimmiaceae following Fleischer’s system but later (Brotherus 1925) moved it to the Ptychomitriaceae. Noguchi (1952) considered it close to the Erpodiaceae based on the peristome structures. The leaf shape, areolation, and the peristome of Glyphomitrium share a similarity with all these families. In addition, the genus is somewhat similar to the Orthotrichaceae. Recently, Glyphomitrium has been placed in the Rhabdoweisiaceae by Goffinet et al. (2009). Here, the classification system of P.-C. Chen et al. (1978) is followed by recognizing the family status of the Glyphomitriaceae.

 

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Glyphomitriaceae
高领藓科   gao ling xian ke
by Wang Mei-zhi
 
 
Plants small to medium-sized, green, brownish green, or dark brown, in loose or dense mats, mostly on tree trunks. Stems erect or ascending, simple or branched; central strand present, with rhizoids at the base. Leaves appressed, flexuose or strongly curled when dry, erect-spreading when moist; lingulate, triangular-lanceolate, lanceolate or narrowly oblong, mostly keeled, abruptly or gradually acuminate, sheathing at the base; margins usually entire, slightly recurved below, sometimes bistratose; costae strong, single, reaching beyond mid-leaf or shortly excurrent; upper and median leaf cells subquadrate, hexagonal, elliptical or irregular, smooth, sometimes papillose or mammillose, mostly thick-walled, or with trigone-like thickening; basal cells rectangular, somewhat thinner-walled; alar cells not differentiated. Autoicous, rarely dioicous. Perichaetia often at branch tips. Perichaetial leaves large, often sheathing or involute, clasping the setae at the base, slenderly acuminate or blunt; costae slender. Setae short; capsules ovoid, oblong-ovoid or cylindrical, symmetric or somewhat asymmetric, usually erect; opercula conic at the base, long-rostrate; annuli somewhat differentiated; exothecial cells close to the mouth consisting of 2–8 rows of oval, hexagonal, subquadrate or oblate cells, thick-walled, other exothecial cells elongate; stomata present at the neck; peristome single, with 16 teeth, lanceolate, reddish brown or pale yellow, smooth or papillose. Calyptrae mitrate, plicate, smooth or sparsely hairy, often covering the entire capsule. Spores large, spherical, densely papillose.
 

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The family consists of a single genus, Glyphomitrium.

 

Lower Taxa
 
 
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