Arctous rubra

(Rehder & E. H. Wilson) Nakai
Trees Shrubs Japan, 156. 1922 (as ruber) ,.
Common names: Red bearberry or manzanita busserole rouge
Basionym: Arctous alpina var. rubra Rehder & E. H. Wilson in C. S. Sargent, Pl. Wilson. 1: 556. 1913 (as alpinus var. ruber)
Synonyms: Arctostaphylos alpina subsp. rubra (Rehder & E. H. Wilson) Hultén Arctostaphylos alpina var. rubra (Rehder & Wilson) Bean Arctostaphylos rubra Small Arctous erythrocarpa
Treatment appears in FNA Volume 8. Treatment on page 405.

Shrubs 3–20(–30) cm; twigs terete, without old leaves. Leaves: petiole winged, 1–4(–5) mm, glabrous; blade ovate, obovate, or oblanceolate, (10–)15–30(–60) × 10–20(–30) mm, base attenuate-cuneate, decurrent onto petiole, apex acute, obtuse, or rounded, surfaces not or slightly rugose, glabrous. Inflorescences 2–5-flowered; bracts broadly ovate, (5–7 mm), membranous, (margins densely ciliate). Pedicels 0.6 mm. Flowers: sepals pale green or yellow, 0.8–1.2 mm, apex acute; corolla whitish to cream, urceolate, 3.5–4.5 mm, lobes spreading, whitish to cream, ovate, 1 mm, glabrous except for hairs on adaxial surface; stamens 1.5–2 mm; anthers reddish, becoming yellow, 0.6–0.7 mm, horns 0.2–0.3 mm. Fruits brick red or scarlet, 6–10(–12) mm diam. Pyrenes 2.5–3 × 1.6–2.2 mm. 2n = 26.


Phenology: Flowering summer.
Habitat: Rocky and gravelly, arctic or alpine tundra, often in calcareous soils, coastal limestone heaths, swampy woods
Elevation: 0-2500 m

Distribution

V8 765-distribution-map.gif

Alta., B.C., Man., Nfld. and Labr. (Nfld.), N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Wyo., e Asia.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Arctous rubra"
Gordon C. Tucker +
(Rehder & E. H. Wilson) Nakai +
Arctous alpina var. rubra +
Red bearberry or manzanita +  and busserole rouge +
Alta. +, B.C. +, Man. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Wyo. +  and e Asia. +
0-2500 m +
Rocky and gravelly, arctic or alpine tundra, often in calcareous soils, coastal limestone heaths, swampy woods +
Flowering summer. +
Trees Shrubs Japan, +
Arctostaphylos alpina subsp. rubra +, Arctostaphylos alpina var. rubra +, Arctostaphylos rubra +  and Arctous erythrocarpa +
Arctous rubra +
species +