Vaccinium angustifolium Aiton var. myrtilloides (Michx.) House
Vaccinium canadense Kalm ex A. Rich.
Vaccinium myrtilloides Michx.
Velvetleaf blueberry, velvetleaf huckleberry, sourtop blueberry
Velvetleaf blueberry is a North American native.
Plants: These spreading shrubs are up to 1½′ (50 cm) in height, with stems covered with fine hairs.
Leaves: Deciduous, alternate, ⅞–1¼ ⨉ ¼–⅝″ (2.3–3.5 cm ⨉ 8–16 mm), bright green above, much lighter below, covered with soft and velvety hairs.
Flowers: White, urn-shaped, about 1/16–3/16″ (3–5 mm) in size, appearing from May to June.
Fruits: ⅛–¼″ (6–8 mm) in diameter, usually blue with a whitish waxy bloom, sometimes purplish black.
Habitats: Acidic soils, coniferous woods, forested bogs, rocky areas.
This Vaccinium comparison chart also includes a couple of similar-appearing species that are not Vaccinium.
Edibility: Edible, like most members of this genus, but fruit is more acid than most. Flowers are also edible.
Online References:
References:
5/15/2015 · Willard Brook State Park, Ashby, Massachusetts · ≈ 8 × 6″ (19 × 16 cm) 
5/15/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 1½ × 1′ (45 × 39 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Asteridae | A large class that encompasses asters |
| Order | Ericales | Tea, persimmon, blueberry, Brazil nut, azalea, many others |
| Family | Ericaceae | Heath or heather family |
| Genus | Vaccinium | Ancient Latin name for billberry |
| Species | myrtilloides | Resembling myrtle, from a Greek name for myrtle |
Vaccinium myrtilloides description by Thomas H. Kent, not updated.
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