California Polytechnic State University, Robert F. Hoover Herbarium
Catalog #: OBI141140
Occurrence ID (GUID): 9f15974b-1d2e-4267-abc1-2858629b30a7
Secondary Catalog #: 58295
Taxon: Centaurea jacea L.
Family: Asteraceae
Collector: David J. Keil   29056-A   
Date: 2000-08-10
Verbatim Date: 10-Aug-00
Locality: United States, Oregon, Marion, Oregon Route 22, just east of junction with Oregon Route 226 (44°47'39"N x 122°36'50"W).
Elevation: 244 meters Verbatim Elevation: ca 800ft.
Habitat: Grassy roadside in area of mixed conifer-hardwood forest. Ca. 800 ft. elev.; Locally common from near pavement to edge of blackberry brambles.
Description: Individual plants in population varying from "subradiant" with dark brown, nearly black phyllaries with long fringed appendages ? nigra type ? to strongly radiant with light brown, membranous appendages ? jacea type ? with various intermediates ?radiata types. Stems from ca. 3 dm tall to ca. 12 dm tall. Corollas pink-purple. Leaves varying from entire to coarsely lobed.
Specimen Images
http: 173404
Record ID: 9f15974b-1d2e-4267-abc1-2858629b30a7
For additional information on this specimen, please contact: Jenn Yost, Director and Assistant Professor o (
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