Ericameria linearifolia |
Ericameria zionis |
|
---|---|---|
interior goldenbush, narrowleaf goldenbush |
subalpine goldenbush, subalpine or Cedar Breaks goldenbush |
|
Habit | Plants 40–150 cm. | Plants 10–30 cm. |
Stems | erect to spreading, green when young, fastigiately branched, glabrous, resinous. |
decumbent to ascending, green when young, often reddish tinged, soon reddish brown to brown, branched, twigs long-stipitate-glandular (sometimes with crinkly hairs interspersed). |
Leaves | usually ascending or spreading; blades filiform to narrowly oblanceolate (terete or flattened, adaxially sulcate to concave), 12–55 × 0.5–3 mm, midnerves evident, usually not raised, apices acute to acuminate, faces glabrous or sparsely hairy, gland-dotted (in circular, deep pits), resinous; axillary fascicles of 2–15 leaves, shorter than subtending leaves. |
mostly erect or ascending; blades spatulate (flat), 25–40 × 2.5–7 mm, midnerves (plus 2 smaller, collateral nerves) evident, apices acuminate, faces long-stipitate-glandular; fascicles absent. |
Peduncles | 20–70 mm (mostly ebracteate). |
3–15 mm (long-stipitate-glandular, bracts 0–3, phyllary-like). |
Involucres | hemispheric, 8–14 × 8–18 mm. |
turbinate to narrowly campanulate, 14–22 × 6–8 mm. |
Ray florets | 3–18; laminae elliptic to lanceolate, 7–15 × 2–5 mm. |
0. |
Disc florets | 16–60; corollas 6–10 mm. |
10–21; corollas 9.5–12 mm. |
Phyllaries | 24–32 in 2–3 series, green to tan, ovate to lanceolate, 4–10 × 0.5–3 mm, subequal, outer sometimes wholly herbaceous, usually mostly chartaceous, sometimes with green, medial stripes, midnerves conspicuous, raised, 1–2 collateral nerves often present, (margins membranous, minutely lacerate to fimbriate) apices acute to acuminate, abaxial faces usually glabrous, sometimes sparsely hairy, often stipitate-glandular, resinous. |
17–23 in 2–4 series, tan to green, lanceolate to elliptic, 10–14 × 1.6–2.7 mm, subequal (outer often slightly longer than inner), outer herbaceous or with herbaceous cusps, inner mostly chartaceous, midnerves (often plus 2 collateral nerves) evident, (margins villous distally) apices acute to acuminate, abaxial faces stipitate-glandular, inner sometimes glabrous. |
Heads | usually borne singly. |
in (leafy) congested, paniculiform to cymiform arrays (1–4 cm wide). |
Cypselae | tan to brown, narrowly oblanceoloid, somewhat flattened, 4–5 mm (2-ribbed), sericeous to villous; pappi silvery, 5.8–7 mm. |
tan to reddish, ellipsoid, 7–8 mm, glabrous or apically hairy; pappi off-white to brown, sometimes reddish, 9–9.5 mm. |
2n | = 18. |
= 18 [as Haplopappus bloomeri subsp. compactus]. |
Ericameria linearifolia |
Ericameria zionis |
|
Phenology | Flowering spring–early summer. | Flowering summer–fall. |
Habitat | Rocky or sandy soils of mountainsides, dry creek beds, deserts, mesas, and interior plains | Gravelly to sandy clay soils with manzanita, spruce, fir, and pine |
Elevation | 70–2000 m (200–6600 ft) | 2400–3100 m (7900–10200 ft) |
Distribution |
AZ; CA; NM; NV; TX; UT
|
UT |
Discussion | Of conservation concern. Ericameria zionis is known from southern Utah. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 20, p. 61. | FNA vol. 20, p. 77. |
Parent taxa | Asteraceae > tribe Astereae > Ericameria | Asteraceae > tribe Astereae > Ericameria |
Sibling taxa | ||
Synonyms | Haplopappus linearifolius, Haplopappus linearifolius subsp. interior | Haplopappus zionis |
Name authority | (de Candolle) Urbatsch & Wussow: Brittonia 31: 273. (1979) | (L. C. Anderson) G. L. Nesom: Phytologia 68: 153. (1990) |
Web links |