Vaccinium hirsutum |
Vaccinium uliginosum |
|
---|---|---|
hairy blueberry, small cluster blueberry, woolly berry, wooly berry |
airelle des marécages, alpine blueberry, blueberry, bog bilberry, bog blueberry |
|
Habit | Plants forming open colonies, 2–5(–7.5) dm; twigs green, slightly angled, pilose or hairy. | Plants forming dense mats or open, extensive colonies; twigs of current season pale green, terete, glabrous or faintly puberulent, not verrucose. |
Leaves | deciduous; blade green, elliptic, 23–62 × 10–36 mm, subcoriaceous, margins entire, surfaces densely hairy, 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. |
Flowers | calyx green, glandular-hairy; corolla white, cylindric, 5–9 mm, (glandular-hairy); filaments hairy. |
sepals usually distinct; corolla white to pink, 3–4(–5) mm, lobes 0.3–0.4 mm; filaments glabrous. |
Berries | black, 7–9 mm diam., hairy. |
blue, 6–8 mm diam., glaucous. |
Seeds | 3–9, ca. 1 mm. |
|
2n | = 48. |
= 24, 48, 72. |
Vaccinium hirsutum |
Vaccinium uliginosum |
|
Phenology | Flowering summer. | Flowering Jun–Jul. |
Habitat | Dry oak-pine ridges and mountain meadows | Wet or dry acidic sites in boreal taiga, tundras, and alpine thickets and krummholz |
Elevation | 600-1500 m (2000-4900 ft) | 0-2200 m (0-7200 ft) |
Distribution |
GA; NC; TN
|
AK; CA; ID; ME; MI; MN; MT; NH; NV; NY; OR; UT; VT; WA; WY; AB; BC; MB; NB; NF; NS; NT; NU; ON; PE; QC; SK; YT; SPM; Greenland; n Eurasia
|
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.) |
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.) |
Source | FNA vol. 8, p. 529. | FNA vol. 8, p. 518. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Vaccinium |
Sibling taxa | ||
Synonyms | Cyanococcus hirsutus | V. gaultherioides, V. occidentale, V. uliginosum subsp. alpinum, V. uliginosum var. alpinum, V. uliginosum subsp. gaultherioides, V. uliginosum subsp. microphyllum, V. uliginosum subsp. occidentale, V. uliginosum var. occidentale, V. uliginosum subsp. pedris, V. uliginosum subsp. pubescens, V. uliginosum var. salicinum |
Name authority | Buckley: Amer. J. Sci. Arts 45: 175. 1843 , | Linnaeus: Sp. Pl. 1: 350. 1753 , |
Web links |