Vaccinium tenellum
Vaccinium vitis-idaea
small black blueberry, southern blueberry
airelle vigne-d'ida, cowberry, foxberry, lingonberry, mountain cranberry, northern mountain cranberry, partridgeberry
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 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 pale green, sometimes hairy;
corolla usually white tinged with pink, cylindric, 5–9 mm;
filaments ± hairy.
corolla pinkish white, 3–5 mm;
filaments puberulent.
black, 6–8 mm diam., sometimes puberulent.
red, 8–10 mm diam. 2n = 24.
5–25, ca. 1 mm.
= 24.
Vaccinium tenellum
Vaccinium vitis-idaea
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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