Rubus pubescens
dwarf raspberry, dwarf red blackberry, dwarf red blackberry or raspberry or red raspberry, dwarf red blackberry raspberry, dwarf red raspberry, five-leaf bramble, red raspberry, ronce pubescente, trailing raspberry
creeping, flowering branches erect, glabrous or sparsely to moderately hairy, eglandular, not pruinose.
deciduous, usually ternate, sometimes pedately 5-foliate;
stipules lance-ovate to oblanceolate, (5–)8–12(–20) mm;
leaflets 3(–5), petiolule of terminal leaflet 2–7 mm, terminal rhombic to obovate, (2–)4–8(–10) × 2–4(–6) cm, base cuneate, unlobed or 2-lobed, margins deeply serrate to doubly serrate, apex acute or acuminate, abaxial surfaces glabrous or sparsely hairy, eglandular.
1–3-flowered, sometimes umbelliform.
moderately to densely long-hairy, eglandular to densely stipitate-glandular.
bisexual;
petals white to pink, oblanceolate to obovate, (4–)6–8(–10) mm;
filaments laminar;
ovaries glabrous, styles glabrous.
red, globose to conical, 0.5–1.4 cm diam., drupelets (5–)10–25, loosely coherent, falling separately or as a unit with torus attached.
= 14.
Rubus pubescens
Rubus pubescens is recognized by its creeping, unarmed stems, oblanceolate to lance-ovate stipules, relatively small flowers, and white to pink petals. It hybridizes with R. arcticus subsp. acaulis in areas of sympatry, and the hybrids are referable to R. ×paracaulis L. H. Bailey [= R. pubescens var. paracaulis (L. H. Bailey) B. Boivin]. The hybrids are similar to R. arcticus subsp. acaulis in having more obovate, rounded leaflets, and larger, pink to magenta petals; they are larger, creeping, and have hairy and stipitate-glandular pedicels and sepals like R. pubescens.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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