Difference between revisions of "Orthothecium intricatum"
in P. Bruch and W. P. Schimper, Bryol. Europ. 5: 108. 1851.
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|name=Leskea intricata | |name=Leskea intricata | ||
|authority=Hartman | |authority=Hartman | ||
| + | |rank=species | ||
|publication_title=Handb. Skand. Fl. ed. | |publication_title=Handb. Skand. Fl. ed. | ||
|publication_place=5, 336. 1849 | |publication_place=5, 336. 1849 | ||
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name=Orthothecium intricatum | name=Orthothecium intricatum | ||
| − | |||
|authority=(Hartman) Schimper in P. Bruch and W. P. Schimper | |authority=(Hartman) Schimper in P. Bruch and W. P. Schimper | ||
|rank=species | |rank=species | ||
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|publication year=1851 | |publication year=1851 | ||
|special status= | |special status= | ||
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V28/V28_867.xml |
|genus=Orthothecium | |genus=Orthothecium | ||
|species=Orthothecium intricatum | |species=Orthothecium intricatum | ||
Revision as of 21:18, 16 December 2019
Plants small, in mats or tufts, green to yellow-green. Stems 4 cm, 0.2–0.3 mm wide, curved-ascending, sometimes creeping, irregularly branched. Leaves erect to erect-spreading, homomallous, narrowly lanceolate, not or faintly striolate, 1–1.8 mm; margins plane to somewhat revolute, entire or somewhat sinuate; apex gradually subulate; ecostate or costa double, very short; basal laminal cells shorter, broader than medial cells, yellow; medial cells elongate, linear, 45–75 × 4–6 µm. Specialized asexual reproduction rare, by propagula in leaf axils, short, filamentous. Seta red-brown. Capsule symmetric, 1.5–2 mm. Spores 10–14 µm.
Habitat: Moist shaded calcareous soil, granite, schist, limestone, rock ledges, vertical cliff faces, tundra
Elevation: moderate elevations (200-1500 m)
Distribution
Greenland, B.C., N.W.T., Nunavut, Que., Yukon, Alaska, n Europe, Asia (China, Japan).
Discussion
Orthothecium intricatum is distinguished by leaves that are homomallous and narrowly lanceolate, with plane to slightly revolute margins. The stems are yellow-brown; the leaves are occasionally twisted-flexuose when dry; and the setae are 1.5–2 cm. Sporophytes are rare, and a station in Ontario is doubtful.
Selected References
None.