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Flett's groundsel, Flett's ragwort

Cleveland's ragwort

Habit Perennials, 10–40+ cm; rhizomatous (rhizomes horizontal to erect). Perennials, 30–80+ cm; taprooted (caudices suberect to erect, stout).
Stems

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

usually 1 (sometimes more, clustered), glaucous.

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.

(and proximal cauline, relatively thick and turgid) petiolate;

blades lanceolate to narrowly oblanceolate, 30–100+ × 10–20+ mm, bases tapering, margins entire or subentire.

Cauline leaves

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

gradually reduced (sessile and weakly clasping; lanceolate, entire).

Peduncles

inconspicuously bracteate or ebracteate, glabrous.

conspicuously bracteate, glaucous.

Ray florets

5 or 8;

corolla laminae 5–10 mm.

8–10(–13);

corolla laminae 5–7 mm.

Disc florets

20–30+;

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

25–40+;

corolla tubes 2–3 mm, limbs 3–4 mm.

Phyllaries

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

(13) 21, green (tips often purple), glabrous.

Calyculi

0 or inconspicuous.

conspicuous.

Heads

4–10+ in subumbelliform cymiform arrays.

12–20+ in open, corymbiform arrays.

Cypselae

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

1–1.5 mm, glabrous;

pappi 5–6 mm.

2n

= 40.

= 46.

Packera flettii

Packera clevelandii

Phenology Flowering early Jul–mid Aug. Flowering mid Jun–mid Jul.
Habitat Exposed slopes, rocky or gravelly soils Rocky, serpentine soils, open, dry, shrubby areas, dry streambeds
Elevation 700–2000 m (2300–6600 ft) 300–700 m (1000–2300 ft)
Distribution
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Packera clevelandii is known only from the North Coast Ranges and foothills of the Sierra Nevada on serpentine soils in chaparral communities. It is the only Packera with subsucculent, glaucous herbage.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 587. FNA vol. 20, p. 582.
Parent taxa Asteraceae > tribe Senecioneae > Packera 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
P. anonyma, P. antennariifolia, P. aurea, P. bernardina, P. bolanderi, P. breweri, P. cana, P. cardamine, P. castoreus, 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. 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 Senecio clevelandii, Senecio clevelandii var. heterophyllus
Name authority (Wiegand) W. A. Weber & Á. Löve: Phytologia 49: 46. (1981) (Greene) W. A. Weber & Á. Löve: Phytologia 49: 46. (1981)
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