Flora of North America species comparison

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Senecio integerrimus var. ochroleucus
Photo is of parent taxon

pale-yellow ragwort, western groundsel, white flower mountain butterweed, white western groundsel
Herbage

arachnose, tomentose, or villous, unevenly glabrescent, at flowering.
Leaves

basal and proximal cauline distinctly petiolate;

blades (cauline) usually ovate to rounded-deltate, sometimes obovate to oblanceolate.
Ray florets

usually 5;

corollas white or ochroleucous, laminae (5–)10–15(–20) mm.
Phyllaries

± linear, 7–10 mm, tips green or minutely black.
Heads

(3–)8–12(–40+).

Senecio integerrimus var. ochroleucus
Phenology Flowering spring.
Habitat Moist openings in coniferous woodlands
Elevation 600–1700 m (2000–5600 ft)
Distribution
from FNA
CA; ID; MT; OR; WA; AB; BC
[BONAP county map]
Source FNA vol. 20, p. 557.
Parent taxa Asteraceae > tribe Senecioneae > Senecio > Senecio integerrimus
Sibling taxa
S. integerrimus var. exaltatus, S. integerrimus var. integerrimus, S. integerrimus var. major, S. integerrimus var. scribneri
Synonyms S. lugens var. ochroleucus, S. cordatus, S. exaltatus subsp. ochraceus, S. leibergii, S. ochraceus
Name authority (A. Gray) Cronquist: Leafl. W. Bot. 6: 48. (1950)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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