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dwarf bramble, hairy-fruit smooth dewberry, rough fruit berry, roughfruit raspberry

Habit 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.

Rubus lasiococcus

Phenology Flowering May–Aug.
Habitat Moist to dry, semiopen forests, wet meadows, roadsides, dry sand
Elevation 800–2000 m (2600–6600 ft)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 9, p. 44.
Parent taxa Rosaceae > subfam. Rosoideae > tribe Rubeae > Rubus
Sibling taxa
R. allegheniensis, R. arcticus, R. bartonianus, R. bifrons, R. caesius, R. canadensis, R. chamaemorus, R. cuneifolius, R. deliciosus, R. flagellaris, R. glaucifolius, R. hispidus, R. idaeus, R. illecebrosus, R. laciniatus, R. leucodermis, R. neomexicanus, R. nivalis, R. niveus, R. nutkanus, R. occidentalis, R. odoratus, R. parviflorus, R. parvifolius, R. pascuus, R. pedatus, R. pensilvanicus, R. phoenicolasius, R. pubescens, R. repens, R. saxatilis, R. setosus, R. spectabilis, R. trivialis, R. ulmifolius, R. ursinus, R. vestitus
Name authority A. Gray: Proc. Amer. Acad. Arts 17: 201. (1882)
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