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airelle gazonnante, dwarf bilberry, dwarf blueberry, dwarf huckleberry

creeping blueberry

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 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 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 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 white, white with pink striping, or pink, cylindric-urceolate to globose, 4–7 × 3–5 mm, thin, glaucous;

filaments glabrous.

calyx lobes distinct;

corolla usually white, 3–5 mm;

filaments ciliate.

Berries

usually blue, glaucous, rarely dull black, 5–9 mm diam.

black, 6–8 mm diam., insipid.

Seeds

ca. 1 mm.

2n

= 24.

= 24.

Vaccinium cespitosum

Vaccinium crassifolium

Phenology Flowering late spring-mid summer. Flowering late spring.
Habitat Open, usually dry habitats, from lowland to subalpine areas Coastal plain, open pine flatwoods, pine barrens, pocosin ecotones and associated disturbed areas, road cuts, fire trails, mown roadsides
Elevation 0-4500 m (0-14800 ft) 0-200 m (0-700 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
GA; NC; SC; VA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 524. 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. 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. 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. arbuscula, V. caespitosum var. arbuscula, V. caespitosum var. paludicola, V. geminiflorum, V. nivictum, V. paludicola Herpothamnus crassifolius, V. crassifolium subsp. sempervirens, V. sempervirens
Name authority Michaux: Fl. Bor.-Amer. 1: 234. 1803 , Andrews: Bot. Repos. 2: plate 105. (1800)
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