Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Senecio multidentatus

Senecio multidentatus var. huachucanus

Huachuca Mountain ragwort
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

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

Varieties 2 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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. FNA vol. 20, p. 567.
Parent taxa Asteraceae > tribe Senecioneae > Senecio Asteraceae > tribe Senecioneae > Senecio > Senecio multidentatus
Sibling taxa
S. actinella, S. amplectens, S. ampullaceus, S. aphanactis, S. arizonicus, S. aronicoides, S. astephanus, S. atratus, S. bigelovii, S. blochmaniae, S. californicus, S. cannabifolius, S. clarkianus, S. crassulus, S. elegans, S. elmeri, S. eremophilus, S. ertterae, S. erucifolius, S. flaccidus, S. fremontii, S. hydrophiloides, S. hydrophilus, S. integerrimus, S. jacobaea, S. lemmonii, S. lugens, S. lyonii, S. megacephalus, S. mohavensis, S. neowebsteri, S. parryi, S. pattersonensis, S. pseudoarnica, S. pudicus, S. quaylei, S. rapifolius, S. riddellii, S. sacramentanus, S. scorzonella, S. serra, S. sheldonensis, S. soldanella, S. spartioides, S. sphaerocephalus, S. spribillei, S. squalidus, S. sylvaticus, S. taraxacoides, S. triangularis, S. viscosus, S. vulgaris, S. warnockii, S. wootonii
Subordinate taxa
S. multidentatus var. huachucanus
Synonyms S. huachucanus
Name authority Schultz-Bipontinus ex Hemsley: Biol. Cent.-Amer., Bot. 2(10): 243. (1881) (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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(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.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers