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BFNA | Family List | BFNA Vol. 1 | Dicranaceae | Campylopus

Campylopus sinensis (J. K. A. Müller) J.-P. Frahm, Ann. Bot. Fenn. 34: 202. 1997.

  • Campylopus japonicus Brotherus
  • Dicranodontium sinense (J. K. A. Müller.) Paris
  • Dicranum sinense J. K. A. Müller

    Plants to several to 3 cm, in dense tufts, blackish below, golden-green above. Leaves 5--10 mm, the distal ones longest, erect patent when wet, appressed when dry, narrowly lanceolate, longly subulate, ending in a straight, fine almost entire apex which is piliferous, at least in the distalmost leaves and plants from exposed habitats, rarely subhyaline; alar cells reddish brown, inflated; basal laminal cells thick-walled, rectangular, narrower at margins, thin-walled in perichaetial leaves; distal laminal cells shortly rectangular or oblique, 3--5:1; costa filling 1/2--3/4 of leaf width, excurrent, in transverse section showing abaxial groups of stereids and adaxial firm walled hyalocysts, slightly ridged at back. Specialized asexual reproduction by deciduous stem tips or deciduous leaves. Sporophytes not known from the flora area.

    Usually on soil and rocks; 60 m; B.C.; Mexico; Asia (Vietnam, China, Korea, Japan); Pacific Islands (Tahiti); Australia (Queensland).

    In North America north of Mexico this species has been found only once, in a depauperate condition, in a blanket bog on Queen Charlotte Islands, B.C. The species shows a distinct gradient from large to small plants in the tropical to the subtropical or temperate-oceanic parts of its range in East Asia, which seems to be matched also for the North American populations with regard to specimens from Mexico and from B.C. It is not evident whether the record from Queen Charlotte Islands is the result of a long distance dispersal or a relict from from the Tertiary, as supposed from some other bryophyte species with amphi-Pacific range or disjunct occurrence in East Asia and Mexico. It is alo possible that C. sinensis was hitherto overlooked in North America and (as frequently in China) confused with the similar C. atrovirens (for differences see discussion under the latter species).


     

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