Difference between revisions of "Bartramiopsis lescurii"
Rev. Bryol. 21: 35. 1894,.
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− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Atrichum lescurii | |name=Atrichum lescurii | ||
|authority=James | |authority=James | ||
+ | |rank=species | ||
+ | |publication_title=Bull. Torrey Bot. Club | ||
+ | |publication_place=6: 33. 1875 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Lyellia lescurii | |name=Lyellia lescurii | ||
|authority=(James) E. S. Salmon | |authority=(James) E. S. Salmon | ||
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Polytrichaceae;Bartramiopsis;Bartramiopsis lescurii | |hierarchy=Polytrichaceae;Bartramiopsis;Bartramiopsis lescurii | ||
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name=Bartramiopsis lescurii | name=Bartramiopsis lescurii | ||
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|authority=(James) Kindberg | |authority=(James) Kindberg | ||
|rank=species | |rank=species | ||
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|genus=Bartramiopsis | |genus=Bartramiopsis | ||
|species=Bartramiopsis lescurii | |species=Bartramiopsis lescurii |
Latest revision as of 21:24, 5 November 2020
Plants in loose to rather dense pure tufts, dull olive green, becoming dark reddish brown with age. Stems 3–10 cm, arising from a short, erect tuberous rhizome, slender and thread-like, distantly bracteate and appearing almost leafless proximally, ± abruptly leafy distally. Leaves loosely imbricate, 4–6 mm, linear-lanceolate from a sheathing base, the sheath yellowish and nitid, clasping stem; limb reflexed at the shoulders, subtubulose, twisted and contorted when dry, widely spreading and almost plane when moist; costa slender, percurrent, smooth abaxially, ending in a short spine; margins of sheath entire proximally, not hyaline-margined, at shoulders cilia 1-seriate, 0.4–0.6 mm, cells distinctly papillose; no hinge tissue; margins of limb plane, serrations ending in a conical tooth cell, sometimes with 1–2 short cilia near the shoulders; lamina 2-stratose except for a narrow strip just within the margin and locally 1-stratose streaks and patches, adaxial layer of cells strongly bulging mammillose in indistinct longitudinal rows; lamellae 4–5(–9), restricted to the costa, 4–8(–10) cells high, serrations ending in a small toothed cell; sheath cells linear at margin, the median short-rectangular, 23–28 × 6–9 µm; abaxial laminal cells irregularly arranged, subquadrate, 6–10(–12) µm, walls evenly thickened and firm; abaxial costal cells sharply differentiated, narrowly elongate to linear, 25–33(–55) × 5–6 µm. Sexual condition dioicous; male plants like the female, male inflorescence inconspicuous, several to a shoot, separated by sectors with normal vegetative leaves, perigonial bracts with a broader sheath, but otherwise like the leaves; perichaetial leaves scarcely differentiated. Seta rather stout, 7–12 mm. Capsule yellowish brown, erect, 2.5–4 mm, widest at the mouth; exothecial cells short-rectangular, 40–62 × 26–30 µm, smaller and ± isodiametric below mouth, smooth; stomata superficial, confined to the tapering neck; operculum almost as large as urn, beak about 1 mm; peristome none; columella broadly flaring, extending to capsule rim. Calyptra cucullate.
Habitat: Soil banks or soil over rock, exposed tree roots
Elevation: usually low to moderate elevations
Distribution
B.C., Alaska, Wash., e Asia (Japan, Russia in Kamtschatka).
Discussion
Selected References
None.