Flora of North America species comparison

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Vaccinium myrtilloides

Vaccinium crassifolium

bleuet fausse-myrtille, sour-top blueberry, sourtop, velvet-leaf blueberry, velvetleaf huckleberry

creeping blueberry
Habit Plants forming ± open colonies, 1–11.5 dm; twigs greenish brown, terete, pilose or hairy. Plants extensively mat-forming (often by layering), with erect branches from lateral buds, rooting and/or swelling into woody burls at nodes; twigs of current year reddish green, terete, finely hairy, not verrucose.
Leaves

deciduous;

blade green, elliptic, 23–35 × 8–16 mm, membranous to subcoriaceous, margins entire, surfaces ± densely hairy (sometimes mostly on veins), eglandular, sometimes glabrescent.

blades dark green, elliptic to obovate, (10–)12–15(–39) × (4–)5–7(–24) mm, coriaceous, margins ± entire, surfaces glabrescent.
Pedicels

0.1–0.3 cm.
Flowers

calyx green, glabrous, (eglandular);

corolla greenish white to pink, urceolate, 3–5 mm, (eglandular);

filaments usually hairy.

calyx lobes distinct;

corolla usually white, 3–5 mm;

filaments ciliate.
Berries

blue, glaucous, 6–8 mm diam., glabrous.

black, 6–8 mm diam., insipid.
Seeds

10–40, ca. 1 mm.

2n

= 24.

= 24.

Vaccinium myrtilloides

Vaccinium crassifolium
Phenology Flowering late spring–early summer. Flowering late spring.
Habitat Open or disturbed sites in boreal forest, muskegs, bogs, barrens, headlands, outcrops, mountain meadows Coastal plain, open pine flatwoods, pine barrens, pocosin ecotones and associated disturbed areas, road cuts, fire trails, mown roadsides
Elevation 0-1700 m (0-5600 ft) 0-200 m (0-700 ft)
Distribution
from FNA
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
[WildflowerSearch map]
[BONAP county map]
from FNA
GA; NC; SC; VA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 529. FNA vol. 8, p. 525.
Parent taxa Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Herpothamnus
Sibling taxa
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
Synonyms Cyanococcus canadensis, V. angustifolium var. myrtilloides, V. canadense Herpothamnus crassifolius, V. crassifolium subsp. sempervirens, V. sempervirens
Name authority Michaux: Fl. Bor.-Amer. 1: 234. 1803 , Andrews: Bot. Repos. 2: plate 105. (1800)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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