Vaccinium hirsutum |
Vaccinium ovalifolium |
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hairy blueberry, small cluster blueberry, woolly berry, wooly berry |
airelle à feuilles ovées, Alaska blueberry, early blueberry, oval-leaf blueberry, oval-leaf huckleberry |
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Habit | Plants forming open colonies, 2–5(–7.5) dm; twigs green, slightly angled, pilose or 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; blade green, elliptic, 23–62 × 10–36 mm, subcoriaceous, margins entire, surfaces densely hairy, eglandular abaxially. |
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 green, glandular-hairy; corolla white, cylindric, 5–9 mm, (glandular-hairy); 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, 7–9 mm diam., hairy. |
blue, dull purplish black, or black, sometimes glaucous, 8–10 mm diam. |
Seeds | 3–9, ca. 1 mm. |
ca. 1 mm. |
2n | = 48. |
= 24, 48. |
Vaccinium hirsutum |
Vaccinium ovalifolium |
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Phenology | Flowering summer. | Flowering spring-mid summer(-late summer). |
Habitat | Dry oak-pine ridges and mountain meadows | 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 | 600-1500 m (2000-4900 ft) | 0-2100 m (0-6900 ft) |
Distribution |
GA; NC; TN
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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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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.) |
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Source | FNA vol. 8, p. 529. | FNA vol. 8, p. 524. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus |
Sibling taxa | ||
Synonyms | Cyanococcus hirsutus | V. alaskaense |
Name authority | Buckley: Amer. J. Sci. Arts 45: 175. 1843 , | Smith: in A. Rees, Cycl. 36: Vaccinium no. 2. (1817) |
Web links |
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