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small black blueberry, southern blueberry

American cranberry, canneberge à gros fruits, cranberry, cultivated cranberry, large cranberry

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.

Pedicels

nodding, slender, 2–3 cm, bracteolate;

bracteoles 2, greenish white, scalelike, 1–2 mm wide.

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.

2n

= 24.

= 24.

Vaccinium tenellum

Vaccinium macrocarpon

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
from FNA
AL; FL; GA; MS; NC; SC; VA
[WildflowerSearch map]
[BONAP county map]
from FNA
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]
[WildflowerSearch map]
[BONAP county map]
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.)

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
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. uliginosum, V. vitis-idaea
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
Synonyms Cyanococcus tenellus Oxycoccus macrocarpus
Name authority Aiton: Hort. Kew. 2: 12. 1789 , Aiton: Hort. Kew. 2: 13, plate 7. (1789)
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