Vaccinium angustifolium
Vaccinium uliginosum
bleuet à feuilles étroites, common lowbush blueberry, early low-bush blueberry, lowbush blueberry, sweet lowbush blueberry
airelle des marécages, alpine blueberry, blueberry, bog bilberry, bog blueberry
deciduous;
blade dark to pale green or glaucous, elliptic to narrowly elliptic, 15–41 × (5–)6–16(–20) mm, margins usually sharply, uniformly serrate (serrations sometimes minute, tipped with stipitate gland), surfaces glabrous or hairy, especially along abaxial midvein, eglandular abaxially.
blades usually glaucous abaxially, green to glaucous adaxially, orbiculate, ovate, or obovate to narrowly elliptic, 8–14 × 3–7 mm, membranous, margins entire, surfaces often faintly puberulent, sometimes hairy throughout.
calyx green, glaucous, glabrous;
corolla usually white, cylindric to urceolate, 4–6 mm;
filaments ciliate; (tubules with introrse, elongate pores).
sepals usually distinct;
corolla white to pink, 3–4(–5) mm, lobes 0.3–0.4 mm;
filaments glabrous.
black or blue, rarely white, 3–12 mm diam., glabrous.
blue, 6–8 mm diam., glaucous.
(3–)10–15(–20), ca. 1.2 mm.
= 48.
= 24, 48, 72.
Vaccinium angustifolium
Vaccinium uliginosum
Vaccinium angustifolium is extensively harvested from cultivated and wild plants in New England (especially Maine) and in Quebec and the Canadian Maritime Provinces.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Vaccinium uliginosum is transcontinental in North America between 60° and 70° north latitude; farther north it is rare, especially in the Queen Elizabeth Islands. To the southwest, it is found as far as northern California and northwestern Utah. The summits of the White Mountains of New Hampshire form its southernmost limit in eastern North America. This wide-ranging plant shows considerable variation, notably in floral morphology. Subspecies have been recognized (cf. S. B. Young 1970); a review of morphological variation by H. J. Warr (1981) did not support the distinctiveness of infraspecific taxa.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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