Vaccinium macrocarpon |
Vaccinium arboreum |
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American cranberry, canneberge à gros fruits, cranberry, cultivated cranberry, large cranberry |
farkleberry, sparkleberry |
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Habit | Plants often ascending, shoots 0.4–1.5 dm. | Shrubs or trees, trunks to 35 cm diam. at breast height; twigs of current season reddish green, glabrous, glaucous, or glandular-hairy, not verrucose. |
Leaf | blades glaucous abaxially, green adaxially, usually narrowly elliptic to elliptic, rarely oblong, 5–18 × 2–55 mm, margins entire, slightly revolute. |
blades pale green, glaucous, obovate to oblong, 22–40 × 12–20 mm, coriaceous, surfaces glabrous or glandular-hairy abaxially, glabrous and lustrous adaxially. |
Inflorescence(s) | in axils of leaflike bracts at base of current year’s shoots. |
bracts ± persistent. |
Pedicels | nodding, slender, 2–3 cm, bracteolate; bracteoles 2, greenish white, scalelike, 1–2 mm wide. |
slender, 0.8–1.2 cm. |
Flowers | calyx lobes relatively small; corolla strongly reflexed at anthesis, white to pink; filaments hairy; anther tubules 1–2 mm. |
calyx 21–29 × 7–13 mm; corolla white, 3–5 mm; filaments ciliate. |
Berries | red to pink, 9–14 mm diam., smooth. |
shiny black, 7–9 mm diam. 2n = 24. |
2n | = 24. |
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Vaccinium macrocarpon |
Vaccinium arboreum |
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Phenology | Flowering late spring–early summer. | Flowering spring. |
Habitat | Bogs, swamps, mires, wet shores and headlands | Sandy or rocky habitats, usually xeric woodlands |
Elevation | 0-1400 m (0-4600 ft) | 0-800 m (0-2600 ft) |
Distribution |
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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AL; AR; FL; GA; IL; IN; KS; KY; LA; MO; MS; NC; OK; SC; TN; TX; VA
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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.) |
Vaccinium arboreum is rare and local in Illinois, Indiana, Kansas, Kentucky, and Virginia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 519. | FNA vol. 8, p. 525. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Oxycoccus macrocarpus | Batodendron arboreum, V. arboreum var. glaucescens |
Name authority | Aiton: Hort. Kew. 2: 13, plate 7. (1789) | Marshall: Arbust. Amer., 157. 1785 , |
Web links |
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