Difference between revisions of "Sematophyllum demissum"
J. Linn. Soc., Bot. 8: 5. 1864.
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|label=Endemic | |label=Endemic | ||
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− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Hypnum demissum | |name=Hypnum demissum | ||
|authority=Wilson | |authority=Wilson | ||
+ | |publication_title=in J. E. Smith et al., Engl. Bot., suppl. | ||
+ | |publication_place=2: plate 2740. 1832 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1864 | |publication year=1864 | ||
|special status=Endemic | |special status=Endemic | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V28/V28_896.xml |
|genus=Sematophyllum | |genus=Sematophyllum | ||
|species=Sematophyllum demissum | |species=Sematophyllum demissum |
Revision as of 20:48, 24 September 2019
Plants small to medium-sized, green to yellow-green, glossy. Stems 0.5–2.5 cm, branches sometimes ascending. Leaves straight or occasionally homomallous, oblong-ovate, tapering gradually to apex, 1–1.2 mm; margins reflexed proximally; apex acute; alar cells enlarged, inflated, yellow, in 1 row, supra-alar cells few, quadrate to short; laminal cells rhombic to flexuose. Specialized asexual reproduction absent. Seta 0.8–1.2 cm. Capsule inclined to horizontal, 1 mm.
Phenology: Capsules mature summer.
Habitat: Wet siliceous rock near streams
Elevation: low to moderate elevations
Distribution
![V28 896-distribution-map.gif](/w/images/1/15/V28_896-distribution-map.gif)
N.S., Ala., Ark., Conn., Fla., Ga., Iowa, Kans., La., Mich., Mo., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn.
Discussion
Sematophyllum demissum resembles Hageniella micans in many respects, but H. micans is distinguished by its strong double costa and toothed acumen. Also, exothecial cells of Sematophyllum are collenchymatous; those of Hageniella are not.
Selected References
None.