The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Palmer goldenweed, Palmer's goldenbush

subalpine goldenbush, subalpine or Cedar Breaks goldenbush

Habit Plants 50–400 cm. Plants 10–30 cm.
Stems

erect, much branched, twigs crowded, green when young, becoming reddish brown to gray, glabrous or sparsely hairy, usually covered with resin-filled pits.

decumbent to ascending, green when young, often reddish tinged, soon reddish brown to brown, branched, twigs long-stipitate-glandular (sometimes with crinkly hairs interspersed).

Leaves

(moderately crowded) ascending to spreading;

blades linear to narrowly oblanceolate (terete, sulcate, or flattened), 5–50 × 0.5–2 mm, midnerves obscure or evident abaxially, apices acute, faces glabrous or moderately hairy, gland-dotted (in circular, deep pits), resinous;

axillary fascicles with 1–10 leaves, shorter than subtending leaves.

mostly erect or ascending;

blades spatulate (flat), 25–40 × 2.5–7 mm, midnerves (plus 2 smaller, collateral nerves) evident, apices acuminate, faces long-stipitate-glandular;

fascicles absent.

Peduncles

2–15 mm (bracts 5–10+, leaflike).

3–15 mm (long-stipitate-glandular, bracts 0–3, phyllary-like).

Involucres

turbinate to subcampanulate, 4–7 × 2.5–4 mm.

turbinate to narrowly campanulate, 14–22 × 6–8 mm.

Ray florets

2–8;

laminae 4–5 × 1–1.8 mm.

0.

Disc florets

6–20;

corollas 5–7 mm.

10–21;

corollas 9.5–12 mm.

Phyllaries

16–24 in 3–5 series, mostly tan, narrowly oblong to elliptic, 1.5–6 × 0.4–0.8 mm, unequal, mostly chartaceous, midnerves evident on at least distal 1/2, slightly to strongly thickened, expanded distally, (margins narrowly membranous, sometimes ciliate distally) apices acute to rounded, abaxial faces glabrous, outer sometimes gland-dotted (sessile), frequently resinous.

17–23 in 2–4 series, tan to green, lanceolate to elliptic, 10–14 × 1.6–2.7 mm, subequal (outer often slightly longer than inner), outer herbaceous or with herbaceous cusps, inner mostly chartaceous, midnerves (often plus 2 collateral nerves) evident, (margins villous distally) apices acute to acuminate, abaxial faces stipitate-glandular, inner sometimes glabrous.

Heads

in racemiform to thyrsiform arrays (to 50 × 2–15 cm).

in (leafy) congested, paniculiform to cymiform arrays (1–4 cm wide).

Cypselae

tan to brown, subcylindric, 3.5–4 mm, moderately to densely hairy;

pappi off-white to brown, 5–8 mm.

tan to reddish, ellipsoid, 7–8 mm, glabrous or apically hairy;

pappi off-white to brown, sometimes reddish, 9–9.5 mm.

2n

= 18.

= 18 [as Haplopappus bloomeri subsp. compactus].

Ericameria palmeri

Ericameria zionis

Phenology Flowering summer–fall.
Habitat Gravelly to sandy clay soils with manzanita, spruce, fir, and pine
Elevation 2400–3100 m (7900–10200 ft)
Distribution
from FNA
CA; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
UT
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

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

Of conservation concern.

Ericameria zionis is known from southern Utah.

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

Key
1. Leaves 8–20(–30) mm; axillary leaves 2–10 per fascicle; subapical resin ducts on at least outer and mid phyllaries strongly thickened; midnerves usually not evident on proximal 1/2 of each phyllary; florets 6–12(–14); Riverside to Ventura counties, California
var. pachylepis
1. Leaves 20–40 mm; axillary leaves 1–2 per fascicle; subapical resin ducts on phyllaries not strongly thickened; midnerves usually evident on proximal 1/2 of each phyllary; florets 12–30; San Diego County, California
var. palmeri
Source FNA vol. 20, p. 70. FNA vol. 20, p. 77.
Parent taxa Asteraceae > tribe Astereae > Ericameria Asteraceae > tribe Astereae > Ericameria
Sibling taxa
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii
Subordinate taxa
E. palmeri var. pachylepis, E. palmeri var. palmeri
Synonyms Haplopappus palmeri Haplopappus zionis
Name authority (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 53. (1907) (L. C. Anderson) G. L. Nesom: Phytologia 68: 153. (1990)
Web links