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pine goldenweed, pine-bush

boundary goldenbush, chaparral goldenbush, chaparral goldenweed

Habit Plants 50–300 cm. Plants 10–200 cm.
Stems

erect to ascending, green when young, fastigiately branched, glabrous, resinous.

erect to spreading, green when young, fastigiately branched, glabrous, gland-dotted (in pits), resinous.

Leaves

ascending to spreading;

blades linear to narrowly oblanceolate (terete or adaxially sulcate), 12–35 × 0.5–1.5 mm, midnerves obscure, apices acute, often mucronate, faces glabrous or moderately hairy, gland-dotted (in circular, deep pits), resinous;

axillary fascicles of 4–10 leaves, shorter than subtending leaves.

ascending to spreading;

blades linear to narrowly elliptic (usually terete to sulcate adaxially), 10–25 × 0.8–1.5 mm, midnerves obscure to evident, apices usually acute, rarely rounded, sometimes mucronate, faces glabrous or sparsely hairy, gland-dotted (in circular, deep pits), resinous;

axillary fascicles of 2–10 leaves, shorter than subtending leaves.

Peduncles

3–30 mm (leafy).

3–20 mm (leafy or bracteate).

Involucres

subcampanulate, 5–8 × 3.5–5.5 mm.

turbinate, 4–6 × 2–5 mm.

Ray florets

3–10;

laminae 5.5–7 × 1.5–2 mm.

usually 0, rarely 1–2;

laminae elliptic, 4–6 × 1–1.5 mm.

Disc florets

11–25;

corollas 5–8 mm.

6–16(–22);

corollas 5–6.5 mm.

Phyllaries

20–26 in 4–6 series, tan, ovate to lanceolate or oblong, 3–7 × 1–1.8 mm, unequal, mostly chartaceous, outermost ± herbaceous-appendaged, midnerves thickened, darker resin ducts, slightly expanded apically, (margins membranous, fimbriate, especially distally) apices erect, acuminate to cuspidate, inner and mid acute to acuminate, abaxial faces usually glabrous, resinous.

15–22 in 3–4 series, tan, ovate to elliptic, 2.5–7 × 0.6–1.5 mm, unequal, outer ± herbaceous, mid and inner mostly chartaceous, midnerves darker, strongly raised, uniform in widths, resinous, (margins membranous, ciliate especially distally) apices erect, acute, abaxial faces glabrous.

Heads

in racemiform to thyrsiform-paniculiform arrays (to 30 × 3–12 cm).

in racemiform to paniculiform arrays (1–15 × ca. 8 cm).

Cypselae

tan to brown, subobovoid, 3.5–5 mm, glabrous or moderately hairy, more densely distally;

pappi off-white to brown, 6–7.5 mm.

tan to purple, 3.5–4 mm (7–8 ribbed), densely hairy;

pappi off-white to brown, sometimes reddish, 5–6.5 mm.

2n

= 18.

= 36.

Ericameria pinifolia

Ericameria brachylepis

Phenology Flowering late summer–fall(–spring). Flowering late summer–fall.
Habitat Open, sandy to stony soils in chaparral, oak woodland, or scrub in near coastal communities Open rocky slopes, chaparral and desert scrub
Elevation 100–1800 m (300–5900 ft) 400–1500 m (1300–4900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Ericameria pinifolia ranges from Ventura County to northern Baja California. It blooms primarily in late summer and fall; it sometimes produces scattered, larger flowering heads in spring.

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

Source FNA vol. 20, p. 75. FNA vol. 20, p. 55.
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. palmeri, E. paniculata, E. parishii, E. parryi, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis
E. albida, E. arborescens, E. arizonica, E. bloomeri, 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, E. zionis
Synonyms Haplopappus pinifolius Bigelowia brachylepis, Haplopappus propinquus
Name authority (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 54. (1907) (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 56. (1907)
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