Ericameria pinifolia |
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pine goldenweed, pine-bush |
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Habit | Plants 50–300 cm. |
Stems | erect to ascending, green when young, fastigiately branched, glabrous, 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. |
Peduncles | 3–30 mm (leafy). |
Involucres | subcampanulate, 5–8 × 3.5–5.5 mm. |
Ray florets | 3–10; laminae 5.5–7 × 1.5–2 mm. |
Disc florets | 11–25; corollas 5–8 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. |
Heads | in racemiform to thyrsiform-paniculiform arrays (to 30 × 3–12 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. |
2n | = 18. |
Ericameria pinifolia |
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Phenology | Flowering late summer–fall(–spring). |
Habitat | Open, sandy to stony soils in chaparral, oak woodland, or scrub in near coastal communities |
Elevation | 100–1800 m (300–5900 ft) |
Distribution |
CA; Mexico (Baja California)
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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. |
Parent taxa | Asteraceae > tribe Astereae > Ericameria |
Sibling taxa | |
Synonyms | Haplopappus pinifolius |
Name authority | (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 54. (1907) |
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