Pseudoleskea radicosa var. denudata

(Kindberg) Wijk & Margadant

Taxon 9: 191. 1960.

Basionym: Pseudoleskea sciuroides var. denudata Kindberg in J. Macoun and N. C. Kindberg, Cat. Canad. Pl., Musci, 181. 1892
Treatment appears in FNA Volume 28. Treatment on page 360. Mentioned on page 359.

Plants large, yellow-green, green, or orange-green. Stems with apices hooked, branches few or absent. Leaves not incurved, strongly falcate-secund, weakly concave, pluriplicate, 1.6–2.3 mm; apex long-acuminate; medial laminal cells opaque.


Phenology: Capsules mature Jul–Aug.
Habitat: Mesic soil under shrubs or on boulders, associated with snow banks, subalpine-alpine
Elevation: moderate to high elevations (900-3000 m)

Distribution

V28 564-distribution-map.gif

Greenland, Alta., B.C., Alaska, Mont., Wash., Wyo., w Eurasia, Atlantic Islands (Iceland)

Discussion

Variety denudata is distinguished by the large size, long unbranched stems with hooked apices, strongly falcate-secund leaves, and often pluriplicate lamina. The alar cells are often prorate; capsules are very rare.

Selected References

None.

Lower Taxa

None.

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

curving +
long-acuminate +  and hooked +
dioicous +, sexual +  and asexual +
John R. Spence +
(Kindberg) Wijk & Margadant +
adherent +  and free +
Pseudoleskea sciuroides var. denudata +
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 +
Greenland +, Alta. +, B.C. +, Alaska +, Mont. +, Wash. +, Wyo. +, w Eurasia +  and Atlantic Islands (Iceland) +
moderate to high elevations (900-3000 m) +
striate +  and papillose +
Mesic soil under shrubs or on boulders, associated with snow banks, subalpine-alpine +
falcate-secund +
0.2 cm2 mm <br />0.002 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
not incurved +
dull +  and glossy +
concave +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
fusiform;elliptic;fusiform;elliptic;short-rhomboidal +
branched +  and foliose +
Capsules mature Jul–Aug. +
stoloniferous +
peglike +  and linear +
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 +
Pseudoleskea radicosa var. denudata +
Pseudoleskea radicosa +
variety +
orange-green +, green +  and yellow-green +