Difference between revisions of "Leptohymenium sharpii"
Contr. Univ. Michigan Herb. 17: 64. 1990.
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Pterigynandrum sharpii | |name=Pterigynandrum sharpii | ||
|authority=H. A. Crum & L. E. Anderson | |authority=H. A. Crum & L. E. Anderson | ||
| + | |rank=species | ||
| + | |publication_title=Bryologist | ||
| + | |publication_place=70: 99. 1967, | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Mittenothamnium sharpii | |name=Mittenothamnium sharpii | ||
|authority=(H. A. Crum & L. E. Anderson) W. R. Buck | |authority=(H. A. Crum & L. E. Anderson) W. R. Buck | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Taxiphyllum sharpii | |name=Taxiphyllum sharpii | ||
|authority=(H. A. Crum & L. E. Anderson) H. Robinson | |authority=(H. A. Crum & L. E. Anderson) H. Robinson | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Hylocomiaceae;Leptohymenium;Leptohymenium sharpii | |hierarchy=Hylocomiaceae;Leptohymenium;Leptohymenium sharpii | ||
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|elevation=moderate to high elevations (500-1700 m) | |elevation=moderate to high elevations (500-1700 m) | ||
|distribution=N.C.;S.C.;Tenn. | |distribution=N.C.;S.C.;Tenn. | ||
| − | |discussion=<p>Known from about ten localities, Leptohymenium sharpii is endemic to the Southern Appalachian Mountains and is apparently rare. Although L. sharpii was originally described as a variety of Hylocomium splendens, the stems and branches lack paraphyllia. Over the past thirty years Leptohymenium sharpii has been moved from one genus to another. The occasionally sympodial innovations, decurrent leaves, and prorulate laminal cells suggest that it belongs in Leptohymenium. Finding plants with sporophytes would aid greatly in resolving generic placement of this puzzling species.</p> | + | |discussion=<p>Known from about ten localities, <i>Leptohymenium sharpii</i> is endemic to the Southern Appalachian Mountains and is apparently rare. Although <i>L. sharpii</i> was originally described as a variety of <i>Hylocomium splendens</i>, the stems and branches lack paraphyllia. Over the past thirty years <i>Leptohymenium sharpii</i> has been moved from one genus to another. The occasionally sympodial innovations, decurrent leaves, and prorulate laminal cells suggest that it belongs in <i>Leptohymenium</i>. Finding plants with sporophytes would aid greatly in resolving generic placement of this puzzling species.</p> |
|tables= | |tables= | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Leptohymenium sharpii | name=Leptohymenium sharpii | ||
| − | |||
|authority=(H. A. Crum & L. E. Anderson) W. R. Buck & H. A. Crum | |authority=(H. A. Crum & L. E. Anderson) W. R. Buck & H. A. Crum | ||
|rank=species | |rank=species | ||
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|publication title=Contr. Univ. Michigan Herb. | |publication title=Contr. Univ. Michigan Herb. | ||
|publication year=1990 | |publication year=1990 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_525.xml |
|genus=Leptohymenium | |genus=Leptohymenium | ||
|species=Leptohymenium sharpii | |species=Leptohymenium sharpii | ||
Latest revision as of 21:36, 5 November 2020
Plants slender, 10 cm. Stems with elongate branches, filiform, innovations uncommon. Stem leaves moderately concave, 0.3–0.7 mm wide; alar cells few, subquadrate to oblong, 10–17 × 10 µm; laminal cells 30–80 × 4–5 µm; basal cells shorter, broader. Branch leaves erect to spreading, concave, 0.3–0.8 × 0.1–0.4 mm; base slightly decurrent; alar cells slightly differentiated. Inflorescences and sporophytes unknown.
Habitat: Wet, shaded rock in moist montane forests, near waterfalls or in deep ravines
Elevation: moderate to high elevations (500-1700 m)
Distribution
N.C., S.C., Tenn.
Discussion
Known from about ten localities, Leptohymenium sharpii is endemic to the Southern Appalachian Mountains and is apparently rare. Although L. sharpii was originally described as a variety of Hylocomium splendens, the stems and branches lack paraphyllia. Over the past thirty years Leptohymenium sharpii has been moved from one genus to another. The occasionally sympodial innovations, decurrent leaves, and prorulate laminal cells suggest that it belongs in Leptohymenium. Finding plants with sporophytes would aid greatly in resolving generic placement of this puzzling species.