Rubus lasiococcus |
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dwarf bramble, hairy-fruit smooth dewberry, rough fruit berry, roughfruit raspberry |
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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 |
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Phenology | Flowering May–Aug. |
Habitat | Moist to dry, semiopen forests, wet meadows, roadsides, dry sand |
Elevation | 800–2000 m (2600–6600 ft) |
Distribution |
CA; OR; WA; BC
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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 | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 17: 201. (1882) |
Web links |
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