Vaccinium ovalifolium |
Vaccinium pallidum |
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airelle à feuilles ovées, Alaska blueberry, early blueberry, oval-leaf blueberry, oval-leaf huckleberry |
Blue Ridge blueberry, Blue Ridge or late low-bush blueberry, hillside blueberry, lowbush blueberry |
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Habit | 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. | Shrubs, erect, (3–)4–12(–40) dm, rhizomatous, (twigs of previous year not verrucose). |
Leaves | 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). |
persistent. |
Inflorescences | terminal, racemes, on lateral twigs, on previous year’s shoots or older woody stems. |
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Pedicels | articulated with calyx tube. |
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Flowers | 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. |
sepals 5; petals 4–5, connate for nearly their entire lengths, corolla cylindric or urceolate; stamens 10, included; anthers ± without awns, tubules 1–1.5 mm, with terminal pores. |
Berries | blue, dull purplish black, or black, sometimes glaucous, 8–10 mm diam. |
[4-], 5-, [pseudo 8-, or pseudo 10]-locular. |
Seeds | ca. 1 mm. |
10–25, (ca. 1 mm). |
2n | = 24, 48. |
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Vaccinium ovalifolium |
Vaccinium pallidum |
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Phenology | Flowering spring-mid summer(-late summer). | Flowering mid-late spring. |
Habitat | 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 | Dry, open oak or oak- hickory woods, open pine woods, ledges, abandoned farmland or cut-over deciduous forests |
Elevation | 0-2100 m (0-6900 ft) | 0-1600 m (0-5200 ft) |
Distribution |
AK; ID; MI; OR; SD; WA; AB; BC; NF; NS; ON; QC; YT; e Asia (c Japan, Kamchatka)
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AL; AR; CT; DC; DE; GA; IL; IN; KS; KY; MA; MD; ME; MI; MO; MS; NC; NH; NJ; NY; OH; OK; PA; RI; SC; TN; VA; VT; WI; WV; ON
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Discussion | The flowers of Vaccinium pallidum are visited primarily by Andrena carlini Cockerell and Bombus spp. This species occasionally hybridizes with V. angustifolium, yielding V. ×dobbinii Burnham. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 524. | FNA vol. 8, p. 529. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus |
Sibling taxa | ||
Synonyms | V. alaskaense | Cyanococcus liparis, Cyanococcus margarettae, Cyanococcus pallidus, Cyanococcus subcordatus, Cyanococcus tallapusae, Cyanococcus vacillans, V. altomontanum, V. corymbosum var. pallidum, V. margarettae, V. vacillans, V. vacillans var. crinitum, V. vacillans var. missouriense, V. viride |
Name authority | Smith: in A. Rees, Cycl. 36: Vaccinium no. 2. (1817) | Aiton: Hort. Kew. 2: 10. 1789 , |
Web links |
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