Difference between revisions of "Leptohymenium sharpii"
Contr. Univ. Michigan Herb. 17: 64. 1990.
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|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 | + | }} {{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 | ||
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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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|publication year=1990 | |publication year=1990 | ||
|special status=Endemic;Selected by author to be illustrated | |special status=Endemic;Selected by author to be illustrated | ||
| − | |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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V28/V28_525.xml |
|genus=Leptohymenium | |genus=Leptohymenium | ||
|species=Leptohymenium sharpii | |species=Leptohymenium sharpii | ||
Revision as of 18:06, 18 September 2019
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.