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Oemleria cerasiformis (Torr. & Gray ex Hook. & Arn.) Landon
Indian plum, Oso-berry
Synonyms: Osmaronia cerasiformis
USDA Symbol: OECE
USDA Native Status: Native to U.S.
This shrubby harbinger of spring can grow 15-20 ft. tall, with many long, slender stems. The pendent, green and white flower clusters – male and female on separate plants – appear just before the thin, pale green leaves. Both flowers and leaves are out long before those of most other deciduous shrubs in the area. The plums in fall are olive-sized purple berries.
Indian Plum is a member of the rose family (family Rosaceae) which includes about 2000 species of trees, shrubs, and herbs worldwide; approximately 77 native and 9 naturalized tree species and many species of shrubs and herbs in North America; including service-berries (Amelanchier), hawthorns (Crataegus), apples (Malus), plums and cherries (Prunus), and mountain-ashes (Sorbus).
Plant CharacteristicsDuration: Perennial Habit: Shrub Flower:
Black Size Class:
Bloom InformationBloom Color: White , Green , Brown
Bloom Time: Mar
CA , OR , WA Canada: BC Native Distribution:
B.C., s. from the coast to the w. slope of the Cascades to n. CA & the w. side of the Sierra Nevada Native Habitat:
Stream banks; roadsides; open woods USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist
Soil Description: Moist to drier soils.
Conditions Comments: Because of its size and suckering habit, this is not for choice places in the formal garden. Its best uses are in large woodlands and wild, open areas and for land reclamation.
BenefitUse Wildlife: The fruits are a favorite of birds and other wildlife.
Conspicuous Flowers: yes
Fragrant Flowers: yes
Easy to grow from treated seed or twig
cuttings. Seed Collection:
Clusters of ripe fruit
can be stripped by hand. Seed Treatment:
A lengthy cold-moist stratification will overcome seed dormancy. Commercially Avail:
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CANative Seed Network
- Corvallis, OR
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Record Modified: 2007-01-01
Research By: TWC Staff