Ericameria winwardii |
Ericameria pinifolia |
|
---|---|---|
Winward's goldenbush |
pine goldenweed, pine-bush |
|
Habit | Plants 5–20 cm. | Plants 50–300 cm. |
Stems | stems prostrate or ascending to erect, green when young (± concealed by tomentum), becoming tan to brown, moderately branched, densely floccose-tomentose, eglandular. |
erect to ascending, green when young, fastigiately branched, glabrous, resinous. |
Leaves | ascending; blades elliptic or oblanceolate (flat), 6–15 × 2.5–5 mm, midnerves prominent, apices acute (often curved downward), faces densely silvery white floccose-tomentose, eglandular; fascicles absent. |
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 | 1–5 mm (tomentose, bracts 0–3, phyllary-like). |
3–30 mm (leafy). |
Involucres | obconic, 9–12 × 3–4 mm. |
subcampanulate, 5–8 × 3.5–5.5 mm. |
Ray florets | 0. |
3–10; laminae 5.5–7 × 1.5–2 mm. |
Disc florets | 4–9; corollas ca. 9 mm. |
11–25; corollas 5–8 mm. |
Phyllaries | 11–15 in 2–3 series, lanceolate or elliptic to oblanceolate, 1.5–5 × 0.8–1.3 mm, subequal, outer herbaceous or herbaceous-tipped, inner mostly chartaceous or herbaceous-tipped, midnerves conspicuous, raised, (margins: outer herbaceous, entire, floccose-tomentose, inner narrowly scarious, minutely lacerate) apices acute to acuminate, outer abaxial faces floccose-tomentose, inner glabrate. |
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 | usually borne singly, sometimes (2–3) in racemiform arrays (5–20 mm wide). |
in racemiform to thyrsiform-paniculiform arrays (to 30 × 3–12 cm). |
Cypselae | tan to brown, narrowly oblanceoloid, 5–7 mm (5-ribbed), densely sericeous; pappi tan, 8–9 mm. |
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 winwardii |
Ericameria pinifolia |
|
Phenology | Flowering late summer–fall. | Flowering late summer–fall(–spring). |
Habitat | Silty-clay and clay-shale slopes | Open, sandy to stony soils in chaparral, oak woodland, or scrub in near coastal communities |
Elevation | 2000–2200 m (6600–7200 ft) | 100–1800 m (300–5900 ft) |
Distribution |
ID; WY |
CA; Mexico (Baja California)
|
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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. 77. | FNA vol. 20, p. 75. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | E. discoidea var. winwardii | Haplopappus pinifolius |
Name authority | (Dorn & Delmatier) R. P. Roberts & Urbatsch: Sida 21: 1562. (2005) | (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 54. (1907) |
Web links |