Rubus arcticus subsp. stellatus

(Smith) B. Boivin

Bull. Soc. Bot. France 102: 235. 1955.

Basionym: Rubus stellatus Smith Pl. Icon. Ined. 3: plate 64. 1791
Treatment appears in FNA Volume 9. Treatment on page 36. Mentioned on page 35.
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Plants to 1.6 dm. Stems often with soft, spreading hairs. Leaves simple, usually 3-lobed, rarely unlobed; petiole hairy; blade ± rotund, 2–4.5 cm (usually broader than long), base cordate to subcordate, margins doubly serrate, lobe apices usually obtuse. Inflorescences: flowers solitary. Pedicels sparsely short-stipitate-glandular, sometimes eglandular. Flowers: sepals caudate, hairy, sparsely to moderately stipitate-glandular; petals pink to magenta, oblanceolate to obovate, 10–22 mm, apex emarginate. 2n = 14.


Phenology: Flowering Jun–Aug.
Habitat: Alpine stream banks and meadows, lake shores
Elevation: 0–1500 m

Distribution

V9 40-distribution-map.jpg

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

Discussion

Selected References

None.

Lower Taxa

None.

"thin" is not a number."dm" is not declared as a valid unit of measurement for this property.

Lawrence A. Alice +, Douglas H. Goldman +, James A. Macklin +  and Gerry Moore +
(Smith) B. Boivin +
compound +  and simple +
opposite +  and alternate +
cordate +  and subcordate +
Rubus stellatus +
serrate +  and dentate +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
herbaceous +  and more or less coriaceous +
not pruinose +
stipitate-glandular +, hairy +  and glabrous +
sparse to dense +
free +  and distinct +
hairy +  and glabrous +
B.C. +, N.W.T. +, Yukon +, Alaska +  and e Asia (Russian Far East) +
not +  and aggregated +
0–1500 m +
0.5 cm5 mm <br />0.005 m <br /> (8 cm80 mm <br />0.08 m <br />) +
not +  and aggregated +
without torus +  and separating +
reddish +  and dark purple +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
coherent +
hairy +  and glabrous +
globose +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
dryish +  and fleshy +
Alpine stream banks and meadows, lake shores +
eglandular or +  and sparsely densely glandular +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrous or +  and sparsely densely pubescent +
flat +  and hemispheric +
glabrous or +  and sparsely densely pubescent +
crassinucellate +
deciduous +
unlobed +  and 3-lobed +
ovate +  and elliptic +
1.7 cm17 mm <br />0.017 m <br /> (15 cm150 mm <br />0.15 m <br />) +
revolute +  and finely coarsely crenate +
inferior +  and superior +
hairy +  and glabrous +
clustered +, biseriate +  and superposed +
collateral +  and apical +
1 +  and 2 +
short-stipitate-glandular +
0 (?) +  and 5 (?) +
pink +  and magenta +
free +  and distinct +
oblanceolate;obovate +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Flowering Jun–Aug. +
adnate +, free +, connate +  and distinct +
erect +  and retrorse +
sparse to dense +
not +  and broad-based +
Bull. Soc. Bot. France +
not arillate +
eglandular +, armed +  and unarmed +
persistent +
free +  and distinct +
reflexed +  and spreading +
stipitate-glandular +  and hairy +
caudate +
free +  and distinct +
shorter to longer +
not pruinose +
annual +, perennial +  and biennial +
scrambling +  and mounding +
decumbent +  and creeping +
hairy;glabrous +
1 +  and several +
angled +  and terete +
palmate +  and pinnate +
adnate +  and free +
ovate;lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
persistent +
distinct +
filiform +
slender +
Dalibarda +
Rubus arcticus subsp. stellatus +
Rubus arcticus +
subspecies +
inconspicuous +
convex +  and conic +
enlarged +  and small +
fibrous +  and woody +