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airelle gazonnante, dwarf bilberry, dwarf blueberry, dwarf huckleberry

grouse whortleberry, grouseberry, little-leaf huckleberry

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.

Vaccinium cespitosum

Vaccinium scoparium

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
from FNA
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)
[WildflowerSearch map]
from FNA
CA; CO; ID; MT; NM; NV; OR; SD; UT; WA; WY; AB; BC
[WildflowerSearch map]
[BONAP county map]
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.)

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
V. angustifolium, V. arboreum, V. boreale, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
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 ,
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