Vaccinium tenellum |
Vaccinium macrocarpon |
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small black blueberry, southern blueberry |
American cranberry, canneberge à gros fruits, cranberry, cultivated cranberry, large cranberry |
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Habit | Plants forming extensive, open colonies, 1–7.5 dm; twigs yellowish green, ± terete, hairy. | Plants often ascending, shoots 0.4–1.5 dm. |
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 glaucous abaxially, green adaxially, usually narrowly elliptic to elliptic, rarely oblong, 5–18 × 2–55 mm, margins entire, slightly revolute. |
Inflorescences | in axils of leaflike bracts at base of current year’s shoots. |
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Pedicels | nodding, slender, 2–3 cm, bracteolate; bracteoles 2, greenish white, scalelike, 1–2 mm wide. |
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Flowers | calyx pale green, sometimes hairy; corolla usually white tinged with pink, cylindric, 5–9 mm; filaments ± hairy. |
calyx lobes relatively small; corolla strongly reflexed at anthesis, white to pink; filaments hairy; anther tubules 1–2 mm. |
Berries | black, 6–8 mm diam., sometimes puberulent. |
red to pink, 9–14 mm diam., smooth. |
Seeds | 5–25, ca. 1 mm. |
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2n | = 24. |
= 24. |
Vaccinium tenellum |
Vaccinium macrocarpon |
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Phenology | Flowering winter–spring. | Flowering late spring–early summer. |
Habitat | Dry sand hills, pine barrens, scrubby oak woods, open pine parkland, and flatwoods subject to burning | Bogs, swamps, mires, wet shores and headlands |
Elevation | 0-200 m (0-700 ft) | 0-1400 m (0-4600 ft) |
Distribution |
AL; FL; GA; MS; NC; SC; VA
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CT; DC; DE; IL; IN; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; OR; PA; RI; TN; VA; VT; WA; WI; WV; BC; NB; NF; NS; ON; PE; QC; SPM [Introduced in Europe]
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Discussion | Vaccinium macrocarpon is introduced and escaping elsewhere (British Columbia, Oregon, Washington) with respect to its normal range in eastern North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 528. | FNA vol. 8, p. 519. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Oxycoccus |
Sibling taxa | ||
Synonyms | Cyanococcus tenellus | Oxycoccus macrocarpus |
Name authority | Aiton: Hort. Kew. 2: 12. 1789 , | Aiton: Hort. Kew. 2: 13, plate 7. (1789) |
Web links |
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