Flora of North America species comparison

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Packera fendleri

Fendler's ragwort, notchleaf groundsel
Habit Perennials, 10–40+ cm; rhizomatous (rhizomes horizontal to suberect, branched).
Stems

1 or multiple (crowded to subcespitose), floccose-tomentose or glabrescent.
Basal leaves

petiolate;

blades lanceolate to oblanceolate, 30–60+ × 10–30+ mm, bases tapering, margins shallowly, evenly pinnatifid to pinnatisect or wavy (adaxial faces floccose-tomentose or subglabrescent).
Cauline leaves

gradually reduced (sessile; lanceolate to oblanceolate, pinnatisect to wavy).
Peduncles

bracteate, densely to irregularly floccose.
Ray florets

6–8+;

corolla laminae 5–7 mm.
Disc florets

30–40+;

corolla tubes 2.5–3 mm, limbs, 2.5–3.5 mm.
Phyllaries

13, green, 5–7 mm, floccose proximally to glabrescent distally.
Calyculi

0 or inconspicuous (bractlets red-tinged).
Heads

6–25+ in open or compact, corymbiform arrays.
Cypselae

2.5–3 mm, glabrous;

pappi 4–5 mm.
2n

= 46.

Packera fendleri
Phenology Flowering late May–early Oct.
Habitat Steep slopes, loose, dry rocky or gravelly soils, along streams, open forests, disturbed sites
Elevation 1600–3200 m (5200–10500 ft)
Distribution
from FNA
CO; NM; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Packera fendleri is abundant, almost weedy in the southern Rocky Mountains. It thrives in a wide range of elevations and in a wide variety of habitats; flowering times vary. It frequently grows in close association with other species of Packera and may hybridize with them.

(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. 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 fendleri, Senecio canovirens, Senecio fendleri var. molestus, Senecio nelsonii, Senecio rosulatus, Senecio salicinus
Name authority (A. Gray) 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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