Paraleucobryum enerve

(Thedenius) Loeske

Hedwigia 47: 171. 1908,.

Basionym: Dicranum enerve Thedenius in C. J. Hartman, Handb. Skand. Fl. ed. 5, 393. 1849
Synonyms: Dicranum albicans Schwägrichen
Treatment appears in FNA Volume 27. Treatment on page 428. Mentioned on page 427.

Plants whitish green to yellowish green. Stems 1–5 (–10) cm. Leaves erect-spreading to falcate-secund, 2–8 × 0.5–1 mm, entire or with a few serrulations near apex; costa covering ca. 9/10 or more of leaf base, smooth on abaxial surface, in cross-section with a row of adaxial hyalocysts, a row of median chlorocysts and a row of abaxial hyalocysts. Seta 10–20 mm. Capsule 2–3 mm; operculum 1–1.5 mm. Spores 15–20 µm.


Phenology: Capsules mature summer.
Habitat: Usually on soil or soil over boulders, noncalcareous outcrops and cliffs, sometimes in bogs and fens, rarely on stream banks
Elevation: (150-4300 m)

Distribution

Greenland, Alta., B.C., N.W.T., Yukon, Alaska, Ariz., Colo., Mont., N.Mex., Utah, Wyo., Mexico, Europe, Asia

Discussion

Paraleucobryum enerve is best distinguished from P. longifolium by its whitish green to yellowish green color, nearly smooth leaf margins that occasionally have a few teeth near the apex, and smooth costa. Sporophytes are more rarely produced than they are by P. longifolium.

Selected References

None.

Lower Taxa

None.
... more about "Paraleucobryum enerve"
persistent +  and deciduous +
deciduous +
Robert R. Ireland Jr. +
(Thedenius) Loeske +
short to long +
Dicranum enerve +
microphyllous +
pseudomonoicous +, dioicous +, autoicous +  and sexual +
reproduction +  and asexual +
cucullate +
inclined +  and erect to somewhat +
cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
hyaline +, brown +  and green +
specialized +
3 (?) +  and 4 (?) +
papillose +  and mammillose +
dioicous +, sexual +  and asexual +
inflated +
percurrent;excurrent +
Greenland +, Alta. +, B.C. +, N.W.T. +, Yukon +, Alaska +, Ariz. +, Colo. +, Mont. +, N.Mex. +, Utah +, Wyo. +, Mexico +, Europe +  and Asia +
(150-4300 m) +
Usually on soil or soil over boulders, noncalcareous outcrops and cliffs, sometimes in bogs and fens, rarely on stream banks +
with a few serrulations +  and entire +
falcate-secund +
2mm;8mm +
acuminate +, subulate +  and narrowly lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
serrate +  and serrulate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
nonpitted +  and pitted +
toothed +  and forked +
short-acuminate +, concave +  and ovate +
brown +  and reddish-brown +
16 +  and single +
Capsules mature summer. +
undifferentiated +
yellowish-brown +
straight +  and flexuose +
elongate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
spherical +  and ellipsoidal +
branched;simple +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
superficial +
Dicranum albicans +
Paraleucobryum enerve +
Paraleucobryum +
species +
deciduous +
lanceolate +
whitish green +  and yellowish green +