Pseudoleskea radicosa var. compacta

Best Best

Bull. Torrey Bot. Club 27: 231. 1900.

Synonyms: Lescuraea radicosa var. compacta (Best) E. Lawton Pseudoleskea pallida
Treatment appears in FNA Volume 28. Treatment on page 360.
Revision as of 06:46, 30 July 2020 by imported>Volume Importer
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Plants small, bright green. Stems with apices not distinctly hooked, branches many. Leaves often somewhat incurved, appressed, not falcate-secund, strongly concave, 2-plicate, 0.8–1.3 mm; apex abruptly acute to short-acuminate; medial laminal cells pellucid.


Phenology: Capsules mature Jun–Aug.
Habitat: Dry siliceous boulders, calcareous rock, mineral soil, subalpine-alpine
Elevation: moderate to high elevations (900-4000 m)

Distribution

V28 563-distribution-map.gif

Alta., B.C., Nfld. and Labr., Que., Yukon, Ariz., Calif., Colo., Idaho, Oreg., Utah, Wyo., n Europe

Discussion

Variety compacta is distinctive and may be a good species, distinguished by its bright green color, small size, ovate concave leaves that often incurve when dry, and clear laminal cells.

Selected References

None.

Lower Taxa

None.

"subpercurrent" is not a number."shorter" is not a number."broad" is not a number.

curving +
abruptly acute +  and short-acuminate +
dioicous +, sexual +  and asexual +
John R. Spence +
Best Best +
adherent +  and free +
Hypnum radicosum +
monopodial +  and branching +
spreading;erect +
flagelliform +
cucullate +
asymmetric-curved +
erect;suberect +
long-exserted +
cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
transversely elongate;quadrate +
rudimentary +
2 (?) +  and 1 (?) +
reduced +
yellow-green +
specialized +
subpercurrent +
2/3 +  and single +
autoicous +, dioicous +  and sexual +
sinuate +
Alta. +, B.C. +, Nfld. and Labr. +, Que. +, Yukon +, Ariz. +, Calif. +, Colo. +, Idaho +, Oreg. +, Utah +, Wyo. +  and n Europe +
moderate to high elevations (900-4000 m) +
striate +  and papillose +
Dry siliceous boulders, calcareous rock, mineral soil, subalpine-alpine +
not falcate-secund +
0.2 cm2 mm <br />0.002 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
dull +  and glossy +
concave +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
fusiform;elliptic;fusiform;elliptic;short-rhomboidal +
branched +  and foliose +
Capsules mature Jun–Aug. +
stoloniferous +
peglike +  and linear +
Bull. Torrey Bot. Club +
small +  and medium-sized +
slender-lanceolate;filiform +
curved +  and straight +
elongate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
erect-spreading +
ovate +  and lanceolate +
slender +
differentiated +
Lescuraea radicosa var. compacta +  and Pseudoleskea pallida +
Pseudoleskea radicosa var. compacta +
Pseudoleskea radicosa +
variety +