Vaccinium hirsutum
Vaccinium vitis-idaea
hairy blueberry, small cluster blueberry, woolly berry, wooly berry
airelle vigne-d'ida, cowberry, foxberry, lingonberry, mountain cranberry, northern mountain cranberry, partridgeberry
deciduous;
blade green, elliptic, 23–62 × 10–36 mm, subcoriaceous, margins entire, surfaces densely hairy, eglandular abaxially.
blades pale and glandular abaxially, bright green adaxially, elliptic to obovate, 5–18 × 3–9 mm, glaucous-coriaceous, margins entire, slightly revolute.
4–6 mm.
calyx green, glandular-hairy;
corolla white, cylindric, 5–9 mm, (glandular-hairy);
filaments hairy.
corolla pinkish white, 3–5 mm;
filaments puberulent.
black, 7–9 mm diam., hairy.
red, 8–10 mm diam. 2n = 24.
3–9, ca. 1 mm.
= 48.
Vaccinium hirsutum
Vaccinium vitis-idaea
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.)
The distribution of Vaccinium vitis-idaea in North America extends from northwestern Greenland at 77° north latitude, south to Connecticut at 42° north latitude, and from 45° west longitude (southern tip of Greenland) west to 170° west longitude (Aleutian Islands); it is rare in Connecticut (not collected since the late 1800s), Massachusetts, Vermont, and Wisconsin. This species has been erroneously reported from New York; it hybridizes with V. myrtillus in northern Europe, producing V. ×intermedium Ruthe. The hybrid might be anticipated in North America, but the two species are not known to occur together anywhere in the flora area.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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