Flora of North America species comparison

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Senecio integerrimus var. scribneri

Senecio integerrimus var. integerrimus
Photo is of parent taxon

Scribner's ragwort
Photo is of parent taxon

lambstongue ragwort
Herbage

usually villous, sometimes arachnose or tomentose, at flowering.

glabrous or glabrescent at flowering (except in leaf axils and among heads).
Leaves

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) elliptic, lanceolate, or oblanceolate.
Ray florets

probably mostly 5;

corollas yellow, laminae 12–15 mm.

5–8+;

corollas yellow, laminae 6–8+ mm.
Phyllaries

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

linear-subulate, 6–7(–8) mm, tips usually green, minutely, if at all, black.
Heads

3–6(–16+).

(3–)8–20+.

Senecio integerrimus var. scribneri

Senecio integerrimus var. integerrimus
Phenology Flowering spring. Flowering spring.
Habitat Plains and open foothills Open prairies and plains
Elevation 300–1600 m (1000–5200 ft) 200–1500 m (700–4900 ft)
Distribution
from FNA
MT; SK
[BONAP county map]
from FNA
CO; IA; KS; MN; MT; ND; NE; NM; SD; WY; AB; MB; 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.)

Variety integerrimus intergrades with var. exaltatus in the Rocky Mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 557. FNA vol. 20, p. 556.
Parent taxa Asteraceae > tribe Senecioneae > Senecio > Senecio integerrimus Asteraceae > tribe Senecioneae > Senecio > Senecio integerrimus
Sibling taxa
S. integerrimus var. exaltatus, S. integerrimus var. integerrimus, S. integerrimus var. major, S. integerrimus var. ochroleucus
S. integerrimus var. exaltatus, S. integerrimus var. major, S. integerrimus var. ochroleucus, S. integerrimus var. scribneri
Synonyms S. scribneri
Name authority (Rydberg) T. M. Barkley: Leafl. W. Bot. 9: 109. (1960) unknown
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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