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Russian Olive

Elaeagnus angustifolia

Plant: Deciduous, small thorny tree (or shrub), to 35 ft (10 m) tall, single stemmed, leafy, leaves and twigs silvery scaly, many yellow olive fruit in fall. Occurs on forest edges and under open forest canopies.

Stem: Twigs slender and silver scaly, thorny, becoming smooth and greenish, pith pale brown to orange-brown, branches smooth and reddish-brown, bark dark brown and densely fissured.

Leaves: Alternate, long-lanceolate to oblanceolate, 1.5-4 in (3-10 cm) long and 0.4-1.2 in (1-3 cm) wide, margins entire (rarely toothed), green to slightly silver above and densely silver scaly beneath, petioles short and silvery

Flowers: Jun-Jul. Axillary clusters, 5-10 flowers, fragrant, tubular with 4 lobes, silvery-white to yellow.

Fruit and seeds: Aug-Oct. Drupe, olive-like, 0.5 in (1.2 cm) wide and long, hard and yellow (sometimes tinged with red), containing 1 nutlet.

Ecology: Spread by animal-dispersed seeds and found as scattered plants in forest openings and open forests. A new arrival in the northern part of the Southeastern Region.

Synonyms: oleaster.

Summer (Oregon State Univ.)

Summer (Oregon State Univ.)

Resembles silverthorn or thorny olive (Elaeagnus pungens) and Autumn olive (E. umbellata). Silverthorn is evergreen with brown scaly and hairy twigs, flowers in late fall producing few reddish-silver scaly drupes in spring. Autumn olive leaves green above with flowers in early summer producing many reddish-rounded berries in fall and early winter.

Exotic Pest Plant Control Recommendations

Bayer International Code - ELAN
FIA Code - 0997

Spring (Oregon State Univ.) Winter and Summer (Oregon State Univ.)


Winter (Oregon State Univ.) Summer (© John Randall)



States with suspected
infestations are shown in red.*

* USDA, NRCS. 2001. The PLANTS Database, Version 3.1 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. February 5, 2002.
Winter (Oregon State Univ.)
line
USDA Forest ServiceUSDA APHIS PPQ The Bugwood Network University of Georgia Invasive.org is a joint project of
The Bugwood Network, USDA Forest Service & USDA APHIS PPQ.
The University of Georgia - Warnell School of Forest Resources and
College of Agricultural and Environmental Sciences - Dept. of Entomology
Last updated on Sunday, August 10, 2003 at 11:10 PM
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