Sphagnum sitchense

R. E. Andrus

Sida 22: 969, figs. 27–34. 2006,.

Treatment appears in FNA Volume 27. Treatment on page 98. Mentioned on page 87.

Plants moderate-sized; capitulum flattopped and dense; pale-yellow and pink, lacking sheen. Stem pink, superficial cortical cells aporose. Stem-leaves narrowly triangular to lingulate triangular, 1.2–1.6 × 0.6–0.8 mm, length: width ratio ca. 2: 1, apex apiculate, border strong and moderately broadened basally; hyaline cells narrowly rhomboid and 1 to occasionally 2 septate, often fibrillose apically. Branches not 5-ranked. Branch fascicles with 2 spreading and 1 pendent branch. Branch leaves 1.3–1.5 × 0.5–0.55 mm, ovatelanceolate, concave, straight, apex involute; hyaline cells on convex surface with numerous round to elliptic pores along the commissures, grading from large elliptical pores at the base to moderate-sized round pores at the apex, concave surface with a few large round pores scattered throughout. Sexual condition unknown.


Habitat: Known only from type locality where it was forming low dense hummocks in alpine tundra
Elevation: moderate elevations

Discussion

Selected References

None.

Lower Taxa

None.

"usually longer and thicker" is not a number."broad" is not a number.

... more about "Sphagnum sitchense"
cucullate;involute +
Cyrus B. McQueen† +  and Richard E. Andrus +
R. E. Andrus +
fimbriate +
differentiated +
broadened +
fascicles +  and not 5-ranked +
ratio +, length +  and width +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
concave +  and ovatelanceolate +
0.5mm;0.55mm +
pendent +  and spreading +
1 +  and 2 +
more slender +
differentiated +
alternating +
strengthened +
nonornamented +
2 (?) +  and 1 (?) +
rhomboid +
larger +
fibrillose +
spherical +
0 cm0 mm <br />0 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
monoicous +, dioicous +  and sexual +
moderate elevations +
monoicous +, dioicous +  and sexual +
conspicuous +
isophyllous +, hemiisophyllous +  and anisophyllous +
Known only from type locality where it was forming low dense hummocks in alpine tundra +
conspicuous +
few +  and numerous +
large +  and medium-sized +
tetrahedral +
septate +, porose +  and efibrillose +
0.6mm;0.8mm +
1 (?) +  and 2 (?) +
triangular;narrowly triangular;lingulate +
differentiated +
concave +  and convex +
Sphagnum sect. Acisphagnum +, Sphagnum sect. Acuta +, Sphagnum sect. Fimbriata +, Sphagnum sect. Litophloea +, Sphagnum sect. Longifolia +, Sphagnum sect. Mollia +, Sphagnum sect. Pyncnosphagnum +  and Sphagnum sect. Truncata +
Sphagnum sitchense +
Sphagnum sect. Acutifolia +
species +
swollen +
red +, pink +, brown +  and green +