Burke: Vaccinium scoparium vs. Vaccinium myrtilloides

	Vaccinium scoparium	Vaccinium myrtilloides
	grouseberry	velvet-leaf blueberry
Habit	Deciduous shrub, more or less matted, 1-2.5 dm. tall, the branches numerous, slender, broom-like, strongly angled, greenish or yellowish-green, usually glabrous.	Deciduous shrubs, forming open colonies, the stems 1-11.5 dm. tall; twigs greenish-brown, terete, hairy.
Leaves	Leaves lanceolate to ovate-lanceolate, 8-15 mm. long, finely serrulate, light green, usually glabrous, conspicuously veiny on the lower surface.	Leaves alternate, the blades green, elliptic, 23-35 mm. long and 8-16 mm. wide, entire, usually densely hairy, without glands.
Flowers	Flowers solitary in the axils of the lowest leaves of the youngest shoots, short-petiolate; corolla entire, pinkish, broadly urn-shaped, about 4 mm. long; anthers with awns and terminal pore-bearing tubes; ovary inferior.	Flowers solitary or few in the leaf axils; calyx green, glabrous; corolla urn-shaped, greenish-white to pink, 3-5 mm. long; stamens 10, the filaments hairy; anthers opening by pores; ovary inferior.
Fruits	Fruit a bright red berry, globose, 3-5 mm. broad.	Berries blue, 6-8 mm. in diameter, glabrous and glaucous

	Vaccinium scoparium	Vaccinium myrtilloides
Flowering time	May-August	May-June
Habitat	Open, dry forests, mid- to high elevations in the mountains.	Moist forests, peatlands.
Distribution	Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains. [WildflowerSearch map] [BONAP county map]	British Columbia east to Labrador, and in the northern tier of states, Montana to West Virginia; Okanogan County in Washington. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Threatened in Washington (WANHP)
Sibling taxa	V. cespitosum, V. corymbosum, V. deliciosum, V. macrocarpon, V. membranaceum, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. parvifolium, V. uliginosum	V. cespitosum, V. corymbosum, V. deliciosum, V. macrocarpon, V. membranaceum, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. parvifolium, V. scoparium, V. uliginosum
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Vaccinium scoparium

Vaccinium myrtilloides

grouseberry

velvet-leaf blueberry

Habit

Deciduous shrub, more or less matted, 1-2.5 dm. tall, the branches numerous, slender, broom-like, strongly angled, greenish or yellowish-green, usually glabrous.

Deciduous shrubs, forming open colonies, the stems 1-11.5 dm. tall; twigs greenish-brown, terete, hairy.

Leaves

Leaves lanceolate to ovate-lanceolate, 8-15 mm. long, finely serrulate, light green, usually glabrous, conspicuously veiny on the lower surface.

Leaves alternate, the blades green, elliptic, 23-35 mm. long and 8-16 mm. wide, entire, usually densely hairy, without glands.

Flowers

Flowers solitary in the axils of the lowest leaves of the youngest shoots, short-petiolate;

corolla entire, pinkish, broadly urn-shaped, about 4 mm. long;

anthers with awns and terminal pore-bearing tubes;

ovary inferior.

Flowers solitary or few in the leaf axils;

calyx green, glabrous;

corolla urn-shaped, greenish-white to pink, 3-5 mm. long;