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 arizonicus

Arizona ragwort
Habit Perennials, (20–)30–40(–60) cm (rhizomes suberect or weakly spreading).
Herbage

lanate-arachnose or tomentose, unevenly glabrescent.
Stems

1(–2).
Leaves

(often purplish abaxially) reduced distally;

petiolate;

blades ovate to subelliptic, (5–)6–10(–15) × (2.5–)3–5(–9) cm, bases tapered or contracted, margins subentire to denticulate (denticles callous; mid and distal leaves bractlike).
Ray florets

± 13;

corolla laminae 5–10 mm.
Phyllaries

(± 13) ± 21, 5–7 mm, tips green.
Calyculi

of 2–5+ bractlets (largest to 3 mm).
Heads

(2–)5–12(–20) in corymbiform arrays.
Cypselae

hairy (especially on angles).
2n

= 40.

Senecio arizonicus
Phenology Flowering late spring–summer.
Habitat Openings in pine-oak woodlands
Elevation 1600–2100 m (5200–6900 ft)
Distribution
from FNA
AZ
[WildflowerSearch map]
[BONAP county map]
Discussion

Senecio arizonicus is reputedly in southern New Mexico (W. C. Martin and C. R. Hutchins 1980); that seems unlikely and should be checked.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 555.
Parent taxa Asteraceae > tribe Senecioneae > Senecio
Sibling taxa
S. actinella, S. amplectens, S. ampullaceus, S. aphanactis, 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. multidentatus, 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
Name authority Greene: Bull. Torrey Bot. Club 10: 87. (1883)
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