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pine goldenweed, pine-bush

Gilman's goldenbush, whiteflower goldenbush

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

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

erect to ascending or divergent, much branched, sparsely hairy (hairs low, conic), 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, distally recurved;

blades narrowly obovate (sometimes conduplicate), 6–12 × 2–4 mm, midnerves raised adaxially, (margins often undulate) apices acute, mucronate to cuspidate, faces gland-dotted to resinous;

sometimes with axillary fascicles of 1–7 leaves.

Peduncles

3–30 mm (leafy).

1–15 mm (bracts 0 or 1–4, scalelike).

Involucres

subcampanulate, 5–8 × 3.5–5.5 mm.

narrowly campanulate, 8–12 × 4–6 mm.

Ray florets

3–10;

laminae 5.5–7 × 1.5–2 mm.

4–7;

laminae (white) 4–5.5 × 1–2 mm.

Disc florets

11–25;

corollas 5–8 mm.

10–18;

corollas (white) 5.5–7 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.

22–28 in 4–6 series, green to tan, squarrose or reflexed (outer), ovate to oblong, 2.5–7 × 0.6–1.5 mm, unequal, outer herbaceous or herbaceous-cuspidate, innermost chartaceous (bodies usually apically obtuse to retuse proximal to appendages), midnerves and subapical resin ducts darker, apices acute to acuminate, abaxial faces glabrous, resinous.

Heads

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

usually borne singly, sometimes in cymiform to racemiform arrays (4–6 cm wide).

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 brown, narrowly turbinate, 3.5–4 mm (5-ribbed), densely pilose, sericeous to villous;

pappi whitish, 5–6.5 mm.

2n

= 18.

= 18.

Ericameria pinifolia

Ericameria gilmanii

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 Crevices on rocky cliff faces, often on limestone
Elevation 100–1800 m (300–5900 ft) 2100–3400 m (6900–11200 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Of conservation concern.

Ericameria gilmanii is known only from Inyo County.

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

Source FNA vol. 20, p. 75. FNA vol. 20, p. 59.
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. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, 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 Haplopappus gilmanii
Name authority (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 54. (1907) (S. F. Blake) G. L. Nesom: Phytologia 68: 153. (1990)
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