23.
Vaccinium myrtilloides
Michaux, Fl. Bor.-Amer. 1: 234. 1803.
Velvetleaf blueberry, sourtop, bleuet fausse-myrtille
Cyanococcus
canadensis
(Kalm ex Richardson) Rydberg;
Vaccinium angustifolium
Aiton var.
myrtilloides
(Michaux) House;
V. canadense
Kalm ex Richardson
Plants
forming ± open colonies, 1-11.5 dm; twigs greenish brown, terete, pilose or hairy.
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.
Flowers:
calyx green, glabrous, (eglandular); corolla greenish white to pink, urceolate, 3-5 mm, (eglandular); filaments usually hairy.
Berries
blue, glaucous, 6-8 mm diam., glabrous.
Seeds
10-40, ca. 1 mm.
2
n
= 24.
Flowering late spring-early summer. Open or disturbed sites in boreal forest, muskegs, bogs, barrens, headlands, outcrops, mountain meadows; 0-1700 m; Alta., B.C., Man., N.B., Nfld. and Labr. (Labr.), N.W.T., N.S., Ont., P.E.I., Que., Sask.; Conn., Ill., Ind., Iowa, Maine, Mass., Minn., Mont., N.H., N.Y., Ohio, Pa., Vt., W.Va., Wis.
