Flora of North America species comparison

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Senecio integerrimus var. scribneri
Photo is of parent taxon

Scribner's ragwort
Herbage

usually villous, sometimes arachnose or tomentose, at flowering.
Leaves

basal and proximal cauline ± petiolate;

blades (cauline) oblong or lanceolate to sublinear (6–10 × 0.5–2 cm).
Ray florets

probably mostly 5;

corollas yellow, laminae 12–15 mm.
Phyllaries

± linear, 10–15 mm, tips usually green, rarely black.
Heads

3–6(–16+).

Senecio integerrimus var. scribneri
Phenology Flowering spring.
Habitat Plains and open foothills
Elevation 300–1600 m (1000–5200 ft)
Distribution
from FNA
MT; SK
[BONAP county map]
Discussion

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.)
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. ochroleucus
Synonyms S. scribneri
Name authority (Rydberg) T. M. Barkley: Leafl. W. Bot. 9: 109. (1960)
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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