Flora of North America species comparison

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Vaccinium tenellum

Vaccinium hirsutum

small black blueberry, southern blueberry

hairy blueberry, small cluster blueberry, woolly berry, wooly berry
Habit Plants forming extensive, open colonies, 1–7.5 dm; twigs yellowish green, ± terete, hairy. Plants forming open colonies, 2–5(–7.5) dm; twigs green, slightly angled, pilose or hairy.
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.

deciduous;

blade green, elliptic, 23–62 × 10–36 mm, subcoriaceous, margins entire, surfaces densely hairy, eglandular abaxially.
Flowers

calyx pale green, sometimes hairy;

corolla usually white tinged with pink, cylindric, 5–9 mm;

filaments ± hairy.

calyx green, glandular-hairy;

corolla white, cylindric, 5–9 mm, (glandular-hairy);

filaments hairy.
Berries

black, 6–8 mm diam., sometimes puberulent.

black, 7–9 mm diam., hairy.
Seeds

5–25, ca. 1 mm.

3–9, ca. 1 mm.
2n

= 24.

= 48.

Vaccinium tenellum

Vaccinium hirsutum
Phenology Flowering winter–spring. Flowering summer.
Habitat Dry sand hills, pine barrens, scrubby oak woods, open pine parkland, and flatwoods subject to burning Dry oak-pine ridges and mountain meadows
Elevation 0-200 m (0-700 ft) 600-1500 m (2000-4900 ft)
Distribution
from FNA
AL; FL; GA; MS; NC; SC; VA
[WildflowerSearch map]
[BONAP county map]
from FNA
GA; NC; TN
[WildflowerSearch map]
[BONAP county map]
Discussion

Vaccinium hirsutum is uncommon (but not threatened) in Tennessee, rare in North Carolina, and probably extirpated in Georgia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 528. FNA vol. 8, p. 529.
Parent taxa Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus
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. macrocarpon, 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 Cyanococcus hirsutus
Name authority Aiton: Hort. Kew. 2: 12. 1789 , Buckley: Amer. J. Sci. Arts 45: 175. 1843 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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