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Sphagnum

Sphagnum platyphyllum Warnstorf 1884

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Sporophytes are uncommon in Sphagnum platyphyllum, which can be quite variable in size and the development of branch fascicles, with some forms even being simplex while other forms may have up to three branches per fascicle. The species can usually be recognized by the large stem leaves that are spreading and easily visible because of the scarcity of hanging branches. It should also be noted that in this species and S. contortum the 2-3-layered stem cortex is not an entirely consistent trait, as plants quite typical in all other respects are occasionally found with the cortex only 1-layered, at least in part.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 78, 80, 82, 83, 84, 90 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America Editorial Committee
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Description

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Plants small to moderate-sized, unbranched or sparsely branched; green, golden brown to brown, capitulum small with a large and conspicuous terminal bud. Stems green to brown; superficial cortex of 2-3 layers of enlarged, thin-walled cells. Stem leaves broadly ovate, 1.2-2.2 mm; straight; apex rounded; hyaline cells non-septate, convex surface with numerous small pores (less than or equal to 1/6 cell diameter) forming a continuous row along the commissures, concave surface aporose or with a few scattered pores along the commissures and cell ends. Branches short and blunt, sometimes lacking completely and plants simplex. Branch fascicles of 1-3 branches, 1-2 of these spreading, branches usually not numerous. Branch leaves broadly ovate, 1.4-2.5(-3) mm; straight; apex rounded; hyaline cells as in stem leaf. Sexual condition dioicous. Capsule exserted, with few pseudostomata. Spores 23-35 µm; papillose on both surfaces, with indistinct Y-mark sculpture on distal surface; proximal laesura 0.5 spore radius or less.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 78, 80, 82, 83, 84, 90 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Description

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Plants rather stout and robust, grayish green, tinged with brownish color, in loose tufts. Stem cortex in 1–3 layers, hyaline cells large, thin-walled, without fibrils, mostly porose; central cylinder yellowish brown. Stem leaves 1.0–1.8 mm × 0.8–1.0 mm, broadly ligulate to elliptic, concave, margins involute, borders differentiated; hyaline cells rarely divided, fibrillose, or sometimes indistinct, with a few small, ringed pores at the ends and corners on both surfaces. Branches in fascicles of 3–5, with 2–3 spreading. Branch leaves 1.5–2.2 mm × 0.8–1.2 mm, broadly ovate to elliptic, strongly concave, margins involute, borders narrowly differentiated, obtuse and denticulate at the apex; hyaline cells with a few, small pores at the corners on the ventral surface, with more ringed pores, often scattered at margins along commissural rows on the dorsal surface; green cells in cross section elliptic, centrally located, exposed equally on both surfaces. Dioicous. Sporophytes not seen.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 1: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Moss Flora of China @ eFloras.org
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Gao Chien & Marshall R. Crosby
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Distribution

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Distribution: China, Japan, Russian Far East and Siberia, Europe, Greenland, and North America.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 1: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
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eFloras.org
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Habitat

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Habitat: in bogs and wetlands near streams.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 1: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
project
eFloras.org
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eFloras

Synonym

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Sphagnum laricinum var. platyphyllum Lindberg, Not. Sällsk. Faun. Fl. Fenn. Förh. 13: 403. 1874; S. contortum var. platyphyllum (Lindberg) Åberg, S. grasslii H. A. Crum; S. subsecundum var. platyphyllum (Braithwaite) Cardot
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 78, 80, 82, 83, 84, 90 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Synonym

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Sphagnum subsecundum var. platyphyllum (Braithw.) Card., Bull. Soc. Bot. Belg. 25(1): 73. 1886. Sphagnum subsecundum ssp. playtphyllum (Braithw.) Herib., Mém. Acad. Sci. Clermont-Ferrand, sér. 2, 14: 454. 1899. Sphagnum contortum var. platyphyllum (Braithw.) Åberg, Ark. Bot. 29A(1): 34. 1937. Sphagnum isophyllum Russ., Arch. Naturk. Liv-Ehst-Kurlands, Ser. 2, Biol. Naturk., 10: 415. 1894.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 1: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
project
eFloras.org
original
visit source
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eFloras

Sphagnum platyphyllum

provided by wikipedia EN

Sphagnum platyphyllum, the flat-leaved bogmoss,[1] is a species of moss belonging to the family Sphagnaceae.[2]

It has almost cosmopolitan distribution.[2]

References

  1. ^ "Sphagnum platyphyllum (Lindb. ex Braithw.) Sull. ex Warnst". NBN Atlas. Retrieved 25 January 2022.{{cite web}}: CS1 maint: url-status (link)
  2. ^ a b "Sphagnum platyphyllum Warnstorf, 1884". www.gbif.org. Retrieved 12 February 2021.
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Sphagnum platyphyllum: Brief Summary

provided by wikipedia EN

Sphagnum platyphyllum, the flat-leaved bogmoss, is a species of moss belonging to the family Sphagnaceae.

It has almost cosmopolitan distribution.

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