Vaccinium deliciosum |
Vaccinium myrtilloides |
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blue-leaf huckleberry, Cascade bilberry, Cascade blueberry, Cascade huckleberry, Cascades blueberry, Rainier blueberry |
bleuet fausse-myrtille, sour-top blueberry, sourtop, velvet-leaf blueberry, velvetleaf huckleberry |
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Habit | Plants forming small clumps to extensive open colonies, 0.5–15 dm, rhizomatous; twigs green, sometimes glaucous, ± terete, rarely angled, usually glabrous, rarely hairy along veins or puberulent. | Plants forming ± open colonies, 1–11.5 dm; twigs greenish brown, terete, pilose or hairy. |
Leaves | blades usually glaucous, obovate, oblanceolate, or, rarely, elliptic, 17–35 × 9–17 mm, margins usually serrate for at least distal 2/3, surfaces usually glabrous, eglandular or, rarely, glandular throughout, often glandular-hairy along midvein. |
deciduous; blade green, elliptic, 23–35 × 8–16 mm, membranous to subcoriaceous, margins entire, surfaces ± densely hairy (sometimes mostly on veins), eglandular, sometimes glabrescent. |
Flowers | calyx glaucous, lobes indistinct or shallow, glabrous; corolla pink, creamy pink, or red, globose to globular-urceolate, 4–6 × 5–7 mm, thin, glaucous; filaments glabrous. |
calyx green, glabrous, (eglandular); corolla greenish white to pink, urceolate, 3–5 mm, (eglandular); filaments usually hairy. |
Berries | usually blue, glaucous, sometimes dull black, maroon, or red, 9–13 mm diam. |
blue, glaucous, 6–8 mm diam., glabrous. |
Seeds | ca. 1 mm. |
10–40, ca. 1 mm. |
2n | = 48. |
= 24. |
Vaccinium deliciosum |
Vaccinium myrtilloides |
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Phenology | Flowering late spring–early summer. | Flowering late spring–early summer. |
Habitat | Alpine meadows, subalpine coniferous woods, talus slopes | Open or disturbed sites in boreal forest, muskegs, bogs, barrens, headlands, outcrops, mountain meadows |
Elevation | 600-2000 m (2000-6600 ft) | 0-1700 m (0-5600 ft) |
Distribution |
CA; ID; OR; WA; BC
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CT; IA; IL; IN; MA; ME; MN; MT; NH; NY; OH; PA; VT; WI; WV; AB; BC; LB; MB; NB; NS; NT; ON; PE; QC; SK
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Discussion | Vaccinium deliciosum produces especially flavorful berries. Research at the University of Idaho and Washington State University identified 31 aromatic flavor compounds in the fruits. Despite its outstanding flavor and large fruit size, it is harvested less than is V. membranaceum because it has a smaller range and is less abundant there than its black-fruited congener. Also, like V. membranaceum, V. deliciosum is native at higher elevations and can be difficult to grow at low elevations. Although rhizomatous, V. deliciosum has a dense root system and transplants easily. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 523. | FNA vol. 8, p. 529. |
Parent taxa | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Myrtillus | Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus |
Sibling taxa | ||
Synonyms | Cyanococcus canadensis, V. angustifolium var. myrtilloides, V. canadense | |
Name authority | Piper: Mazama 2: 103. 1901 , | Michaux: Fl. Bor.-Amer. 1: 234. 1803 , |
Web links |
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