Vaccinium cespitosum |
Vaccinium scoparium |
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airelle gazonnante, dwarf bilberry, dwarf blueberry, dwarf huckleberry |
grouse whortleberry, grouseberry, little-leaf huckleberry |
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Habit | Plants forming dense colonies, 0.3–6 dm, superficially rhizomatous; twigs yellow-green, reddish green, or reddish brown, terete to somewhat angled, finely puberulent or, rarely, glabrous. | Plants forming extensive colonies, 0.7–2 dm, rhizomatous; twigs green, angled, glabrous; ultimate branches compact, often forming broomlike clumps or tufts. |
Leaf | blades green, usually oblanceolate, sometimes obovate or narrowly elliptic, 10–30 × 3–12 mm, margins usually serrulate from apex to at least mid blade, surfaces usually glandular abaxially, usually glabrous adaxially. |
blades pale green abaxially, elliptic, lanceolate, or ovate-lanceolate, 7–11 × 4–6 mm, margins finely serrulate, surfaces glabrous. |
Flowers | calyx pale green, lobes vestigial, glabrous; corolla white, white with pink striping, or pink, cylindric-urceolate to globose, 4–7 × 3–5 mm, thin, glaucous; filaments glabrous. |
calyx pale green, lobes vestigial, glabrous; corolla pink, globose to urceolate, 3–4 × 3–4 mm, thin, glaucous; filaments glabrous. |
Berries | usually blue, glaucous, rarely dull black, 5–9 mm diam. |
red, ± translucent, or bluish purple, 4–6 mm diam. |
Seeds | ca. 1 mm. |
ca. 1 mm. |
2n | = 24. |
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Vaccinium cespitosum |
Vaccinium scoparium |
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Phenology | Flowering late spring-mid summer. | Flowering early-mid summer. |
Habitat | Open, usually dry habitats, from lowland to subalpine areas | Alpine and subalpine meadows, heaths, talus slopes |
Elevation | 0-4500 m (0-14800 ft) | 700-3000 m (2300-9800 ft) |
Distribution |
AK; CA; CO; ID; ME; MI; MN; MT; NH; NM; NY; OR; VT; WA; WI; WY; AB; BC; MB; NB; NL; NS; NT; NU; ON; QC; SK; YT; Mexico (Chihuahua, Durango, Hidalgo); Central America (Guatemala)
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CA; CO; ID; MT; NM; NV; OR; SD; UT; WA; WY; AB; BC
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Discussion | The soft, tart, bright red berries of Vaccinium scoparium, to 6 mm diameter, have fair to good flavor and were gathered and eaten raw by the Kootenay, Okanogan, Shuswap, and other Indian tribes. Harvesting was probably done using wooden or fish-bone combs. Small fruit size, low yields, and difficult harvesting make commercial prospects for V. scoparium questionable. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 524. | FNA vol. 8, p. 522. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus |
Sibling taxa | ||
Synonyms | V. arbuscula, V. caespitosum var. arbuscula, V. caespitosum var. paludicola, V. geminiflorum, V. nivictum, V. paludicola | V. myrtillus var. microphyllum, V. erythrococcum |
Name authority | Michaux: Fl. Bor.-Amer. 1: 234. 1803 , | Leiberg ex Coville: Contr. U.S. Natl. Herb. 5: 103. 1897 , |
Web links |
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