Flora of North America species comparison

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Senecio sacramentanus

Sacramento ragwort
Habit Perennials, 20–50 cm (caudices fibrous-rooted).
Herbage

sparsely pubescent to tomentose (especially on abaxial leaf faces and among heads).
Stems

single or loosely clustered.
Leaves

progressively reduced distally;

petiolate;

blades triangular, triangular-lanceolate, or lanceolate, 3–10(–15) × 1.5–4 cm, bases cordate to truncate or tapered, margins serrate or dentate (mid and distal leaves sessile, bractlike).
Ray florets

0.
Phyllaries

± 8, 6–9 mm, tips green.
Calyculi

of 2–5+ lance-deltate to filiform bractlets (lengths 1/5–1/2 phyllaries).
Heads

nodding, 6–10+ in racemiform-paniculiform arrays.
Cypselae

glabrous.

Senecio sacramentanus
Phenology Late summer.
Habitat Montane meadows
Elevation 3000–3500 m (9800–11500 ft)
Distribution
from FNA
NM
[BONAP county map]
Source FNA vol. 20, p. 550.
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. 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 Wooton & Standley: Contr. U.S. Natl. Herb. 16: 194. (1913)
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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