Burke: Prunus cerasifera vs. Prunus tomentosa

	Prunus cerasifera	Prunus tomentosa
	cherry plum	Nanking cherry
Habit	Deciduous, glabrous and spineless shrub or small tree with glossy, green twigs.
Leaves	Leaves alternate, oval, finely serrate, 4-7 cm. long, shiny, green or red-purple.
Flowers	Flowers appearing with the leaves; petals 5, white or pink; stamens 20-30; pistil 1.
Fruits	Globose drupe, yellow or red.
Comments	Naturalizes from ornamental purple-leaved, pink-flowered selections.

	Prunus cerasifera	Prunus tomentosa
Flowering time	March-April	April-May
Habitat	Open, disturbed areas typically at low elevations.	Thickets and hedgerows.
Distribution	Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington, but also in southeastern Washington; British Columbia to California, east to Idaho; also in northeastern North America. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in central Washington; also in Utah, and from northern Great Plains east to northeastern North America. [BONAP county map]
Origin	Introduced	Introduced from Asia
Conservation status	Not of concern	Not of concern
Sibling taxa	P. americana, P. armeniaca, P. avium, P. cerasus, P. domestica, P. dulcis, P. emarginata, P. laurocerasus, P. lusitanica, P. mahaleb, P. padus, P. persica, P. ×pugetensis, P. spinosa, P. tomentosa, P. virginiana, P. yedoensis	P. americana, P. armeniaca, P. avium, P. cerasifera, P. cerasus, P. domestica, P. dulcis, P. emarginata, P. laurocerasus, P. lusitanica, P. mahaleb, P. padus, P. persica, P. ×pugetensis, P. spinosa, P. virginiana, P. yedoensis
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, 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	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

Prunus tomentosa

cherry plum

Nanking cherry

Habit

Deciduous, glabrous and spineless shrub or small tree with glossy, green twigs.

Leaves

Leaves alternate, oval, finely serrate, 4-7 cm. long, shiny, green or red-purple.

Flowers

Flowers appearing with the leaves;

petals 5, white or pink;

stamens 20-30;

pistil 1.

Fruits

Globose drupe, yellow or red.

Comments

Naturalizes from ornamental purple-leaved, pink-flowered selections.

Prunus tomentosa

Flowering time

March-April

April-May

Habitat

Open, disturbed areas typically at low elevations.

Thickets and hedgerows.

Distribution

Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington, but also in southeastern Washington; British Columbia to California, east to Idaho; also in northeastern North America.

[WildflowerSearch map]

[BONAP county map]