Flora of North America species comparison

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Senecio soldanella

Colorado ragwort
Habit Perennials, 5–15(–20) cm (caudices branched, fibrous-rooted, roots fleshy).
Herbage

glabrous (or with hairs on peduncles).
Stems

single (often purplish-tinged).
Leaves

mostly basal; petiolate (petioles ± winged, lengths 1–3+ blades);

blades broadly ovate to ovate-orbiculate, (1.5–)2.5–4.5(–6) × 1.5–4(–5) cm, bases truncate or tapered, margins weakly dentate or repand-denticulate to subentire (cauline leaves smaller, bractlike).
Ray florets

± 13+;

corolla laminae 10–14 mm.
Phyllaries

± 21, (8–)10–16 mm, tips green.
Calyculi

of 3–5+ lanceolate to lance-linear bractlets (lengths 1/2–2/3 phyllaries).
Heads

nodding, 1(–2).
Cypselae

glabrous.

Senecio soldanella
Phenology Flowering summer.
Habitat Talus slopes
Elevation 3200–4000 m (10500–13100 ft)
Distribution
from FNA
CO; NM
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 552.
Parent taxa Asteraceae > tribe Senecioneae > Senecio
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. 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. spartioides, S. sphaerocephalus, S. spribillei, S. squalidus, S. sylvaticus, S. taraxacoides, S. triangularis, S. viscosus, S. vulgaris, S. warnockii, S. wootonii
Synonyms Ligularia soldanella
Name authority A. Gray: Proc. Acad. Nat. Sci. Philadelphia 15: 67. (1864)
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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