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3c. Heterotheca oregona (Nuttall) Shinners var. compacta (D. D. Keck) Semple, Brittonia. 39: 382. 1987.
Chrysopsis oregona (Nuttall) A. Gray var. compacta D. D. Keck, Aliso 4: 102. 1958
Stems usually branched proximally, moderately to densely hispid, sparsely stipitate-glandular. Leaves gray-green, mid cauline averaging 19.2 × 4.2 mm (9–29 × 2.6–4.1 mm), faces long-villous, moderately to densely hispid (more than 5 hairs/mm²), not obviously stipitate-glandular. Outer phyllaries lanceolate. 2n = 18.
Flowering Jul–Oct. Sandy and rocky soils, dry areas away from streams, openings in oak and conifer woodlands, disturbed roadbanks; 200–1000+ m; Calif.
Variety compacta has leaf hairs sufficiently dense to give the plants a gray-green to even whitish appearance; the plants are therefore similar to individuals of Heterotheca echioides, which is radiate. It occurs scattered in the Klamath, Cascade, and Coastal Range mountains of northern California.
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