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grouse whortleberry, grouseberry, little-leaf huckleberry

creeping blueberry

Habit Plants forming extensive colonies, 0.7–2 dm, rhizomatous; twigs green, angled, glabrous; ultimate branches compact, often forming broomlike clumps or tufts. Plants extensively mat-forming (often by layering), with erect branches from lateral buds, rooting and/or swelling into woody burls at nodes; twigs of current year reddish green, terete, finely hairy, not verrucose.
Leaf

blades pale green abaxially, elliptic, lanceolate, or ovate-lanceolate, 7–11 × 4–6 mm, margins finely serrulate, surfaces glabrous.

blades dark green, elliptic to obovate, (10–)12–15(–39) × (4–)5–7(–24) mm, coriaceous, margins ± entire, surfaces glabrescent.

Pedicels

0.1–0.3 cm.

Flowers

calyx pale green, lobes vestigial, glabrous;

corolla pink, globose to urceolate, 3–4 × 3–4 mm, thin, glaucous;

filaments glabrous.

calyx lobes distinct;

corolla usually white, 3–5 mm;

filaments ciliate.

Berries

red, ± translucent, or bluish purple, 4–6 mm diam.

black, 6–8 mm diam., insipid.

Seeds

ca. 1 mm.

2n

= 24.

Vaccinium scoparium

Vaccinium crassifolium

Phenology Flowering early-mid summer. Flowering late spring.
Habitat Alpine and subalpine meadows, heaths, talus slopes Coastal plain, open pine flatwoods, pine barrens, pocosin ecotones and associated disturbed areas, road cuts, fire trails, mown roadsides
Elevation 700-3000 m (2300-9800 ft) 0-200 m (0-700 ft)
Distribution
from FNA
CA; CO; ID; MT; NM; NV; OR; SD; UT; WA; WY; AB; BC
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from FNA
GA; NC; SC; VA
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[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. 522. FNA vol. 8, p. 525.
Parent taxa Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Herpothamnus
Sibling taxa
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
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, 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
Synonyms V. myrtillus var. microphyllum, V. erythrococcum Herpothamnus crassifolius, V. crassifolium subsp. sempervirens, V. sempervirens
Name authority Leiberg ex Coville: Contr. U.S. Natl. Herb. 5: 103. 1897 , Andrews: Bot. Repos. 2: plate 105. (1800)
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