Flora of North America species comparison

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Packera greenei

flame ragwort
Habit Perennials, 20–30+ cm; rhizomatous (rhizomes horizontal to erect, not branched), sometimes stoloniferous.
Stems

1, irregularly lanate or tomentose.
Basal leaves

(and proximal cauline) petiolate;

blades orbiculate, ovate, oblanceolate, or rhombic, 20–50+ × 20–40+ mm, bases tapering, sometimes obtuse, margins coarsely dentate to crenate-dentate.
Cauline leaves

gradually to abruptly reduced (petioles broad-winged, clasping, blades obovate, bases tapering, margins irregularly dentate; distal sessile, linear to lanceolate, entire).
Peduncles

bracteate, lanate or tomentose distally.
Ray florets

8–10(–13);

corolla laminae (red-orange) 8–15+ mm.
Disc florets

35–65+;

corolla tubes 4–5 mm, limbs 5–6 mm.
Phyllaries

21, green (tips sometimes deep red), 8–10+ mm, densely tomentose proximally, sparsely tomentose distally.
Calyculi

conspicuous.
Heads

1–3+.
Cypselae

1.5–2.5 mm, glabrous;

pappi 8–11 mm.
2n

= 40, 46, 92.

Packera greenei
Phenology Flowering mid May–early Jul.
Habitat Dry, rocky, usually serpentine soils, open scrub-pine associations
Elevation 100–1600 m (300–5200 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Packera greenei is known from Coast Ranges of northern California. It has relatively large heads and bright orange-red ray corollas; its leaves are usually cyanic abaxially.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 588.
Parent taxa Asteraceae > tribe Senecioneae > Packera
Sibling taxa
P. anonyma, P. antennariifolia, P. aurea, P. bernardina, P. bolanderi, P. breweri, P. cana, P. cardamine, P. castoreus, P. clevelandii, P. contermina, P. crocata, P. cymbalaria, P. cynthioides, P. debilis, P. dimorphophylla, P. eurycephala, P. fendleri, P. flettii, P. franciscana, P. ganderi, P. glabella, P. hartiana, P. hesperia, P. hyperborealis, P. indecora, P. ionophylla, P. layneae, P. macounii, P. malmstenii, P. millefolium, P. millelobata, P. multilobata, P. musiniensis, P. neomexicana, P. obovata, P. ogotorukensis, P. pauciflora, P. paupercula, P. plattensis, P. porteri, P. pseudaurea, P. quercetorum, P. sanguisorboides, P. schweinitziana, P. spellenbergii, P. streptanthifolia, P. subnuda, P. tampicana, P. texensis, P. tomentosa, P. tridenticulata, P. werneriifolia
Synonyms Senecio greenei
Name authority (A. Gray) W. A. Weber & Á. Löve: Phytologia 49: 47. (1981)
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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