Rubus lasiococcus

A. Gray

Proc. Amer. Acad. Arts 17: 201. 1882.

Common names: Roughfruit berry
Endemic
Treatment appears in FNA Volume 9. Treatment on page 44. Mentioned on page 31, 32, 52.

Herbs, 1–1.5 dm, unarmed. Stems creeping, flowering branches erect, sparsely hairy, eglandular or sparsely to moderately short-stipitate-glandular, not pruinose. Leaves deciduous, simple or ternate; stipules broadly elliptic to ovate, 5–10 mm; leaflets 3 (–5), blade reniform or orbiculate, terminal lobe or leaflets broadly obovate to obovate-cuneate, 1.5–4 (–6) × 1.5–4 (–6) cm, base cordate, 3 (–5) -lobed, margins coarsely doubly dentate, apex rounded to acute, abaxial surfaces sparsely hairy on veins, eglandular. Inflorescences 1–2-flowered. Pedicels sparsely to moderately hairy, short-stipitate-glandular. Flowers bisexual; petals white, broadly elliptic to obovate to orbiculate, (5–) 8–10 (–12) mm; filaments filiform; ovaries densely hairy, styles filiform, glabrous. Fruits red, hemispheric, 1 cm; drupelets 5–15, weakly coherent, falling separately or as loose units free from torus. 2n = 14.


Phenology: Flowering May–Aug.
Habitat: Moist to dry, semiopen forests, wet meadows, roadsides, dry sand
Elevation: 800–2000 m

Distribution

V9 56-distribution-map.jpg

B.C., Calif., Oreg., Wash.

Discussion

Rubus lasiococcus is recognized by its creeping, unarmed stems, simple 3-lobed to 3-foliate leaves, small flowers, white petals, and densely hairy ovaries.

Selected References

None.

Lower Taxa

None.

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

... more about "Rubus lasiococcus"
rounded;acute +
Lawrence A. Alice +, Douglas H. Goldman +, James A. Macklin +  and Gerry Moore +
A. Gray +
compound +  and simple +
opposite +  and alternate +
3(-5)-lobed +  and cordate +
orbiculate +  and reniform +
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
herbaceous +  and more or less coriaceous +
not pruinose +
short-stipitate-glandular +  and hairy +
not pruinose +
stipitate-glandular +, hairy +  and glabrous +
sparse to dense +
free +  and distinct +
hairy +  and glabrous +
Roughfruit berry +
B.C. +, Calif. +, Oreg. +  and Wash. +
not +  and aggregated +
as loose units +  and falling +
800–2000 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 +
coherent +
hairy +  and glabrous +
hemispheric +
1 cm10 mm <br />0.01 m <br /> (?) +
dryish +  and fleshy +
Moist to dry, semiopen forests, wet meadows, roadsides, dry sand +
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 +
terminal +  and axillary +
glabrous or +  and sparsely densely pubescent +
crassinucellate +
ternate +  and simple +
deciduous +
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 +
clustered +, biseriate +  and superposed +
collateral +  and apical +
1 +  and 2 +
eglandular +, armed +  and unarmed +
short-stipitate-glandular +  and hairy +
0 (?) +  and 5 (?) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
free +  and distinct +
broadly elliptic;obovate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering May–Aug. +
adnate +, free +, connate +  and distinct +
erect +  and retrorse +
sparse to dense +
not +  and broad-based +
Proc. Amer. Acad. Arts +
not arillate +
eglandular +, armed +  and unarmed +
persistent +
free +  and distinct +
reflexed +  and spreading +
stipitate-glandular +, hairy +  and glabrous +
lanceolate +  and long-caudate +
free +  and distinct +
shorter to longer +
not +  and rooting +
annual +, perennial +  and biennial +
scrambling +  and mounding +
ascending +, arching +  and erect +
1 +  and several +
angled +  and terete +
palmate +  and pinnate +
adnate +  and free +
broadly elliptic;ovate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
persistent +
distinct +
filiform +
slender +
Dalibarda +
Rubus lasiococcus +
species +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
broadly obovate +  and obovate-cuneate +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
broadly obovate;obovate-cuneate +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
inconspicuous +
convex +  and conic +
enlarged +  and small +
fibrous +  and woody +