Rubus arcticus

Linnaeus

Sp. Pl. 1: 494. 1753.

Common names: Arctic raspberry
Treatment appears in FNA Volume 9. Treatment on page 35. Mentioned on page 31, 32.

Herbs, 0.5–3 dm, unarmed. Stems erect, thin, weak, ± woody basally, glabrous or sparsely hairy, eglandular, not pruinose. Leaves deciduous, simple and usually 3-lobed or ternate; stipules ovate to lanceolate, 4–8 mm; blade margins dentate, serrate, or doubly serrate, abaxial surfaces sparsely to moderately pubescent, eglandular. Inflorescences axillary, 1–3-flowered. Pedicels glabrous or sparsely to moderately pubescent, eglandular or stipitate-glandular. Flowers bisexual; petals pink to rose or magenta, obovate to oblanceolate, 8–25 mm; outer filaments dilated basally, inner filiform; ovaries glabrous or sparsely hairy, styles filiform. Fruits reddish to dark purple, globose, to 1 cm diam., rarely larger; drupelets (10–)15–30, weakly coherent, separating with torus attached.

Distribution

V9 37-distribution-map.jpg

Alta., B.C., Man., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Colo., Maine, Mich., Minn., Mont., Oreg., Wash., Wyo., Eurasia.

Discussion

Subspecies 3 (3 in the flora).

Selected References

None.

Key

1 Leaves simple, usually 3-lobed. Rubus arcticus subsp. stellatus
1 Leaves usually ternate > 2
2 Central leaflets ovate to rhombic, bases rounded to attenuate, not cuneate, apices usually acute; flowers 1–3; petals obovate, apex entire or slightly emarginate. Rubus arcticus subsp. arcticus
2 Central leaflets ovate to obovate, bases cuneate, apices usually rounded; flowers solitary; petals oblanceolate to obovate, apex slightly to strongly emarginate. Rubus arcticus subsp. acaulis
... more about "Rubus arcticus"
Lawrence A. Alice +, Douglas H. Goldman +, James A. Macklin +  and Gerry Moore +
Linnaeus +
Arctic raspberry +
Alta. +, B.C. +, Man. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Maine +, Mich. +, Minn. +, Mont. +, Oreg. +, Wash. +, Wyo. +  and Eurasia. +
Dalibarda +
Rubus arcticus +
species +