Paterson's Curse

Echium plantagineum

© Tim Butler, Oregon Department of Agriculture


© John M. Randall/The Nature Conservancy


Description

A one- to three-feet tall, erect annual or biennial with many branches and an abundance of stout hairs on stems and leaves. Basal or rosette leaves are broad and hairy with distinct veins and wavy margins. The flowers are five-petaled, often blue-purple in color (although sometimes pink or white), and are borne on a fiddleneck-like inflorescence.

Habitat

Potential to invade oak woodlands, native prairie, and dry upland slopes

Distribution

Douglas and Linn Counties, OR

Impacts

Poisonous to grazing animals, displaces desirable and native plants, allergen to humans

Dispersal Methods

Vehicles, farm implements, humans, animals, water, wind, hay, silage, and as a contaminant of commercial seed; found in wildflower mixes in Oregon

Listings

ODA's A List and OISC's 100 Most Dangerous Invaders

Factsheets

Australian Department of Sustainability and Environment Fact Sheet
ODA's Profile of Paterson's Curse

Photos

Images from CalPhotos

Distribution Map

Distribution in Oregon

Other Links

Australian Department of Primary Industries' Profile on Paterson's Curse
North West Weeds (Australia) Control Methods for Paterson's Curse