Flora of North America species comparison

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Senecio multidentatus var. huachucanus
Photo is of parent taxon

Huachuca Mountain ragwort
Habit Perennials, 60–100+ cm (rhizomes weakly spreading).
Herbage

glabrous or sparsely and unevenly floccose or tomentose.
Stems

single (erect).
Leaves

evenly distributed;

petiolate;

blades ovate to lanceolate, (7–)10–20+ × 4–6(–7) cm, bases ± tapered, margins dentate or denticulate (denticles callous; distal leaves smaller, clasping, bractlike).
Ray florets

± 8;

corolla laminae 5–8 mm.
Phyllaries

± 13, 4–6(–7) mm, tips black.
Calyculi

of 5–10 bractlets (0.5–2.5 mm).
Heads

4–12 in open, cymiform arrays.
Cypselae

glabrous.

Senecio multidentatus var. huachucanus
Phenology Flowering spring–summer.
Habitat Mountains
Elevation 1800–2200 m (5900–7200 ft)
Distribution
from FNA
AZ; Mexico
Discussion

Of conservation concern.

Variety huachucanus is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 567.
Parent taxa Asteraceae > tribe Senecioneae > Senecio > Senecio multidentatus
Synonyms S. huachucanus
Name authority (A. Gray) T. M. Barkley: Phytologia 67: 238. (1989)
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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