Vaccinium boreale |
Vaccinium ovalifolium |
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bleuet boréal, northern blueberry, sweet hurts |
airelle à feuilles ovées, Alaska blueberry, early blueberry, oval-leaf blueberry, oval-leaf huckleberry |
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Habit | Plants forming small, dense colonies, 0.1–0.9 dm, (superficially rhizomatous); twigs green, (delicate), angled, (intricately branched), hairy in lines. | Plants crown-forming, clumped, suckering when disturbed, rarely forming extensive colonies, 3–40 dm, not rhizomatous; twigs yellow-green or golden brown, glaucous, usually terete, sometimes somewhat angled, glabrous, sometimes hairy in lines. |
Leaves | deciduous; blade bright green, narrowly elliptic, 8–21 × 2–6 mm, membranous, margins sharply, uniformly serrate, surfaces usually glabrous, eglandular abaxially. |
blades pale green or glaucous abaxially, slightly darker pale green adaxially, ovate to elliptic, rarely obovate, 25–39 × 16–20 mm, margins entire to obscurely serrate, abaxial surface glabrous, eglandular (sometimes hairy or glandular along midvein), adaxial surface usually glabrous (sometimes hairy and/or glandular). |
Flowers | calyx green, glaucous, glabrous (sometimes ciliate); corolla white to greenish white, cylindric, 3–4 mm; filaments ciliate. |
calyx pale green or glaucous, lobes vestigial or absent, glabrous; corolla pink, bronze-pink, or greenish white, globose, sometimes urceolate, 5–7 × 4–5 mm, thin, glaucous; filaments glabrous or pilose basally. |
Berries | blue, glaucous, 3–5 mm diam., glabrous. |
blue, dull purplish black, or black, sometimes glaucous, 8–10 mm diam. |
Seeds | 10–30, ca. 1.1 mm. |
ca. 1 mm. |
2n | = 24. |
= 24, 48. |
Vaccinium boreale |
Vaccinium ovalifolium |
|
Phenology | Flowering late spring–early summer. | Flowering spring-mid summer(-late summer). |
Habitat | Headlands, open, rocky uplands, alpine heaths and meadows, forest-tundra. 0-2000 m | Moist or mesic coniferous woods, transitional habitats adjacent to these coniferous stands, cut-over coniferous woods, verges of road cuts, margins of coniferous woods, peaty slopes |
Elevation | 0-2100 m (0-6900 ft) | |
Distribution |
ME; NH; NY; VT; NB; NL; NS; QC
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AK; ID; MI; OR; SD; WA; AB; BC; NF; NS; ON; QC; YT; e Asia (c Japan, Kamchatka)
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Source | FNA vol. 8, p. 528. | FNA vol. 8, p. 524. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus |
Sibling taxa | ||
Synonyms | V. alaskaense | |
Name authority | I. V. Hall & Aalders: Amer. J. Bot. 48: 200. 1961 , | Smith: in A. Rees, Cycl. 36: Vaccinium no. 2. (1817) |
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