Senecio integerrimus var. scribneri
Senecio integerrimus var. major
Scribner's ragwort
big-head groundsel, lambs-tongue ragwort, lambstongue groundsel
usually villous, sometimes arachnose or tomentose, at flowering.
usually copiously arachnose, tomentose, or villous at flowering.
basal and proximal cauline ± petiolate;
blades (cauline) oblong or lanceolate to sublinear (6–10 × 0.5–2 cm).
basal and proximal cauline distinctly petiolate;
blades (cauline) usually lanceolate to oblanceolate.
probably mostly 5;
corollas yellow, laminae 12–15 mm.
usually 5;
corollas yellow, laminae mostly 5–8 mm.
± linear, 10–15 mm, tips usually green, rarely black.
linear-subulate, 8–12 mm, tips usually green, minutely, if at all, black.
3–6(–16+).
6–12(–30+).
Senecio integerrimus var. scribneri
Senecio integerrimus var. major
Of conservation concern.
Variety scribneri is poorly known and seldom collected. It is distinguished by its relatively larger heads and narrower leaves and its indument (in a region where var. integerrimus is notably glabrate).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Variety major is most frequent in the Sierra Nevada, especially on the western slope; eastward, it passes into var. exaltatus.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
PNW Herbaria
WildflowerSearch
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USDA Plants Database
CA
OR
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