Flora of North America species comparison

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Vaccinium myrtilloides

Vaccinium arboreum

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

farkleberry, sparkleberry
Habit Plants forming ± open colonies, 1–11.5 dm; twigs greenish brown, terete, pilose or hairy. Shrubs or trees, trunks to 35 cm diam. at breast height; twigs of current season reddish green, glabrous, glaucous, or glandular-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 pale green, glaucous, obovate to oblong, 22–40 × 12–20 mm, coriaceous, surfaces glabrous or glandular-hairy abaxially, glabrous and lustrous adaxially.
Inflorescence

bracts ± persistent.
Pedicels

slender, 0.8–1.2 cm.
Flowers

calyx green, glabrous, (eglandular);

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

filaments usually hairy.

calyx 21–29 × 7–13 mm;

corolla white, 3–5 mm;

filaments ciliate.
Berries

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

shiny black, 7–9 mm diam. 2n = 24.
Seeds

10–40, ca. 1 mm.

2n

= 24.

Vaccinium myrtilloides

Vaccinium arboreum
Phenology Flowering late spring–early summer. Flowering spring.
Habitat Open or disturbed sites in boreal forest, muskegs, bogs, barrens, headlands, outcrops, mountain meadows Sandy or rocky habitats, usually xeric woodlands
Elevation 0-1700 m (0-5600 ft) 0-800 m (0-2600 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
AL; AR; FL; GA; IL; IN; KS; KY; LA; MO; MS; NC; OK; SC; TN; TX; VA
[WildflowerSearch map]
[BONAP county map]
Discussion

Vaccinium arboreum is rare and local in Illinois, Indiana, Kansas, Kentucky, and Virginia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 529. FNA vol. 8, p. 525.
Parent taxa Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Batodendron
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. boreale, V. cespitosum, V. corymbosum, V. crassifolium, 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 Batodendron arboreum, V. arboreum var. glaucescens
Name authority Michaux: Fl. Bor.-Amer. 1: 234. 1803 , Marshall: Arbust. Amer., 157. 1785 ,
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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