Dryas integrifolia subsp. sylvatica

(Hultén) Hultén

Svensk Bot. Tidskr. 53: 536. 1959.

Basionym: Dryas integrifolia var. sylvatica Hultén Svensk Bot. Tidskr. 30: 527, figs. 2b,c. 1936
Synonyms: D. sylvatica
Treatment appears in FNA Volume 9. Treatment on page 331.

Leaf-blades oblong to oval, base cuneate to rounded, margins usually flat, sometimes narrowly revolute, usually entire to serrate in proximal 2/3–3/4, rarely serrate throughout, apex obtuse. 2n = 18.


Phenology: Flowering Jun–Aug.
Habitat: Alpine turf slopes, wet spruce-birch forests, bogs, gravel beaches, stream bars, dry areas
Elevation: 400–1600 m

Distribution

V9 544-distribution-map.jpg

N.W.T., Nunavut, Yukon, Alaska, e Asia (Russian Far East)

Discussion

Selected References

None.

Lower Taxa

None.
slightly hairy +  and tomentose +
0.8mm +  and 3.5mm +
hairy +  and glabrous +
Joshua C. Springer +  and Bruce D. Parfitt† +
(Hultén) Hultén +
blackish +, reddish +  and brown +
compound +  and simple +
opposite +  and alternate +
cuneate +  and rounded +
Dryas integrifolia var. sylvatica +
3.9 cm39 mm <br />0.039 m <br /> (4.6 cm46 mm <br />0.046 m <br />) +
smooth +  and rugose +
ovate +, oval +, obovate +, oblongelliptic +, oblong +, linear +, lanceolate +  and elliptic +
0.2 cm2 mm <br />0.002 m <br /> (3.9 cm39 mm <br />0.039 m <br />) +
stoloniferous +
free +  and distinct +
N.W.T. +, Nunavut +, Yukon +, Alaska +  and e Asia (Russian Far East) +
not +  and aggregated +
400–1600 m +
stipitate-glandular +  and villous +
1.3 cm13 mm <br />0.013 m <br /> (2.9 cm29 mm <br />0.029 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
linear +  and lanceolate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Alpine turf slopes, wet spruce-birch forests, bogs, gravel beaches, stream bars, dry areas +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
crassinucellate +
0.2 cm2 mm <br />0.002 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
persistent +
usually entire +  and serrate +
crenate +  and 1-2-toothed +
inferior +  and superior +
clustered +, biseriate +  and superposed +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
8 (?) +  and 9 (?) +
Yellow (?) +, Cream (?) +  and White (?) +
persistent +  and deciduous +
free +  and distinct +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Flowering Jun–Aug. +
adnate +, free +, connate +  and distinct +
Svensk Bot. Tidskr. +
not arillate +
persistent +
free +  and distinct +
erect-ascending +, ascending +  and spreading +
linear-lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Illustrated +
free +  and distinct +
rooting +  and branched +
adnate +  and free +
persistent +
distinct +
basal +, lateral +, subterminal +  and terminal +
elongate +
0.8 cm8 mm <br />0.008 m <br /> (2.9 cm29 mm <br />0.029 m <br />) +
D. sylvatica +
Dryas integrifolia subsp. sylvatica +
Dryas integrifolia +
subspecies +
inconspicuous +
hemispheric +