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You are here: Home / Plants / Species Profiles / Oriental bittersweet
Species Profiles

Oriental Bittersweet

Oriental bittersweet - Invasive.orgScientific name: Celastrus orbiculatus Thunb. (ITIS)

Common names: Oriental bittersweet, Asiatic bittersweet, round-leaved bittersweet, Oriental staff vine, climbing spindle berry

Click image to enlarge

Selected Resources

Native To: Eastern Asia (Fryer 2011)

Date of U.S. Introduction: 1860s (Fryer 2011)

Means of Introduction: Introduced as an ornamental and for erosion control (Fryer 2011)

Impact: Grows as a vine that smothers plants and uproots trees due to its weight (Fryer 2011)

Current U.S. Distribution: Northeastern and Midwestern U.S.


Selected Resources:

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Council or Task Force

Invasive Plants of Ohio: Fact Sheet 9 - Japanese Honeysuckle & Asian Bittersweet (PDF | 214 KB)
Ohio Invasive Plants Council.
See also: Invasive Plants of Ohio for worst invasive plant species identified in Ohio's natural areas

Southeast Exotic Pest Plant Council Invasive Plant Manual - Oriental Bittersweet
Southeast Exotic Pest Plant Council.


Invasive Plant Atlas of New England (IPANE) - Oriental bittersweet
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Oriental bittersweet
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Species Compendium - Celastrus orbiculatus
CAB International.

Global Invasive Species Database - Celastrus orbiculatus (vine, climber)
IUCN. Species Survival Commission. Invasive Species Specialist Group.

Federal Government

U.S. National Plant Germplasm System - Celastrus orbiculatus
USDA. ARS. National Genetic Resources Program. GRIN-Global.

Fire Effects Information System (FEIS) - Celastrus orbiculatus
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

PLANTS Database - Oriental Bittersweet
USDA. NRCS. National Plant Data Center.

State Government

Invasive Plant Species Fact Sheet: Oriental Bittersweet (2006; PDF | 695 KB)
Indiana Department of Natural Resources. Invasive Plant Species Assessment Working Group.
See also: Species Assessments and Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage.

Forest Pests: Invasive Plants and Insects of Maryland - Oriental Bittersweet (Aug 2012; PDF | 242 KB)
Maryland Department of Natural Resources. Forest Service.
See also: Invasive Plants and Insects Fact Sheets for additional species to help control invasive species in Maryland

Invasive Species Best Control Practices - Oriental Bittersweet (2012; PDF | 321 KB)
Michigan Department of Natural Resource; Michigan State University Extension. Michigan Natural Features Inventory.
See also: Best Control Practice Guides for more guides

Fact Sheet: Oriental Bittersweet (Celastrus orbiculatus) (2014; PDF | 227 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants

Invasive Species Leaflet - Celastrus orbiculatus (Oriental Bittersweet) (2010; PDF | 215 KB)
North Carolina Department of Agriculture and Consumer Services. Forest Service.
See also: Forest Health Publications for more Invasive Species Leaflets

Invasive Plants in Pennsylvania: Oriental Bittersweet (PDF | 690 KB)
Pennsylvania Department of Conservation and Natural Resources.
See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands

Oriental Bittersweet (Celastrus orbiculatus)
Wisconsin Department of Natural Resources.


Maine Invasive Plants Bulletin: Asiatic Bittersweet
University of Maine. Cooperative Extension.
See also: Maine Invasive Plants & Entire Series for entire series of 22 fact sheets and invasive plants brochure (available in HTML/PDF or for purchase)

Introduced Species Summary Project - Oriental Bittersweet
Columbia University. Center for Environmental Research and Conservation.

Invasive, Exotic Plants of the Southeast - Oriental Bittersweet
North Carolina State University. Cooperative Extension. Going Native: Urban Landscaping for Wildlife with Native Plants.

Invasive Plant Fact Sheet - Oriental Bittersweet (Nov 2011; PDF | 90 KB)
University of Pennsylvania. The Pennsylvania Flora Project of Morris Arboretum.
See also: Invasive Plant Fact Sheets for additional invasive plants in Pennsylvania

Invasive Plants and Insects: Oriental Bittersweet
Pennsylvania State University. Cooperative Extension.


Fryer, J.L. 2011. Celastrus orbiculatus. In: Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.

Integrated Taxonomic Information System. Celastrus orbiculatus. [Accessed Sep 10, 2014].

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Last Modified: May 12, 2018
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