Vaccinium tenellum |
Vaccinium ovalifolium |
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small black blueberry, southern blueberry |
airelle à feuilles ovées, Alaska blueberry, early blueberry, oval-leaf blueberry, oval-leaf huckleberry |
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Habit | Plants forming extensive, open colonies, 1–7.5 dm; twigs yellowish green, ± terete, hairy. | 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, rarely persistent; blade green, spatulate to elliptic, 13–40 × 3–17 mm, subcoriaceous, margins sharply to obscurely serrate, surfaces glandular abaxially, hairy especially when young, rarely glabrous. |
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 pale green, sometimes hairy; corolla usually white tinged with pink, cylindric, 5–9 mm; filaments ± hairy. |
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 | black, 6–8 mm diam., sometimes puberulent. |
blue, dull purplish black, or black, sometimes glaucous, 8–10 mm diam. |
Seeds | 5–25, ca. 1 mm. |
ca. 1 mm. |
2n | = 24. |
= 24, 48. |
Vaccinium tenellum |
Vaccinium ovalifolium |
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Phenology | Flowering winter–spring. | Flowering spring-mid summer(-late summer). |
Habitat | Dry sand hills, pine barrens, scrubby oak woods, open pine parkland, and flatwoods subject to burning | 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 | 0-200 m (0-700 ft) | 0-2100 m (0-6900 ft) |
Distribution |
AL; FL; GA; MS; NC; SC; VA
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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 | Cyanococcus tenellus | V. alaskaense |
Name authority | Aiton: Hort. Kew. 2: 12. 1789 , | Smith: in A. Rees, Cycl. 36: Vaccinium no. 2. (1817) |
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