Flora of North America species comparison

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Packera flettii

Flett's groundsel, Flett's ragwort
Habit Perennials, 10–40+ cm; rhizomatous (rhizomes horizontal to erect).
Stems

1 or 2–5 (often scapiform), loosely clustered, glabrous or leaf axils sparsely hairy.
Basal leaves

(and proximal cauline) petiolate;

blades obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.
Cauline leaves

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).
Peduncles

inconspicuously bracteate or ebracteate, glabrous.
Ray florets

5 or 8;

corolla laminae 5–10 mm.
Disc florets

20–30+;

corolla tubes 2.5–3.5 mm, limbs 2.5–3.5 mm.
Phyllaries

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.
Calyculi

0 or inconspicuous.
Heads

4–10+ in subumbelliform cymiform arrays.
Cypselae

1–1.5 mm, glabrous;

pappi 4–4.5 mm.
2n

= 40.

Packera flettii
Phenology Flowering early Jul–mid Aug.
Habitat Exposed slopes, rocky or gravelly soils
Elevation 700–2000 m (2300–6600 ft)
Distribution
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Packera flettii is known from the Olympic Mountains and near Mt. Rainer in Washington and coastal mountains of Clatsop County, Oregon. It has a chromosome number unique in the genus and is not known to hybridize with other species of Packera.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 587.
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. franciscana, P. ganderi, P. glabella, P. greenei, 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 flettii
Name authority (Wiegand) W. A. Weber & Á. Löve: Phytologia 49: 46. (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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