Vaccinium cespitosum |
Vaccinium crassifolium |
|
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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 |
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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GA; NC; SC; VA
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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 | ||
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) |
Web links |