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Senecio soldanella
Gray
Family:
Asteraceae
Colorado Ragwort
[
Ligularia soldanella
(A.Gray) W.A.Weber]
Greg Goodwin
FNA
Resources
Theodore M. Barkley+ in Flora of North America (vol. 20)
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).
Heads
nodding, 1(-2).
Calyculi
of 3-5+ lanceolate to lance-linear bractlets (lengths
1
/ 2 -
2
/ 3 phyllaries).
Phyllaries
± 21, (8-)10-16 mm, tips green.
Ray florets
± 13+; corolla laminae 10-14 mm.
Cypselae
glabrous.
Flowering summer. Talus slopes; 3200-4000 m; Colo., N.Mex.
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