Ericameria palmeri
Ericameria palmeri var. palmeri
Palmer goldenweed, Palmer's goldenbush
Palmer's goldenbush, Palmer's goldenbush or goldenweed, Palmer's rabbitbrush
erect, much branched, twigs crowded, green when young, becoming reddish brown to gray, glabrous or sparsely hairy, usually covered with resin-filled pits.
(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.
20–40 mm, usually circular in cross section;
axillary leaves 1–2 per fascicle.
2–15 mm (bracts 5–10+, leaflike).
turbinate to subcampanulate, 4–7 × 2.5–4 mm.
12–30.
2–8;
laminae 4–5 × 1–1.8 mm.
6–20;
corollas 5–7 mm.
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.
midnerves typically evident on proximal 1/2, outer and mid subapical resin ducts not strongly thickened.
in racemiform to thyrsiform arrays (to 50 × 2–15 cm).
tan to brown, subcylindric, 3.5–4 mm, moderately to densely hairy;
pappi off-white to brown, 5–8 mm.
= 18.
= 18.
Ericameria palmeri
Ericameria palmeri var. palmeri
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Variety palmeri grows in San Diego County and northern Baja California.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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 |
CA
WildflowerSearch
iNaturalist
USDA Plants Database
