Ericameria linearifolia |
Ericameria cervina |
|
---|---|---|
interior goldenbush, narrowleaf goldenbush |
deer goldenbush, goldenweed |
|
Habit | Plants 40–150 cm. | Plants 10–30 cm. |
Stems | erect to spreading, green when young, fastigiately branched, glabrous, resinous. |
ascending to spreading, green when young, becoming dark brown then gray, branched, twigs stipitate-glandular, resin coated. |
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. |
ascending; blades elliptic to obovate, 9–18 × 2.5–4 mm, midnerves prominent with 2 fainter, collateral nerves, (margins undulate) apices usually obtuse to rounded, sometimes acute, apiculate, faces stipitate-glandular, resinous; axillary leaf fascicles reduced or absent. |
Peduncles | 20–70 mm (mostly ebracteate). |
1–15 mm (bracts 3–8, gradually reduced, leafy). |
Involucres | hemispheric, 8–14 × 8–18 mm. |
obconic, 5–7 × 2.5–3.5 mm. |
Ray florets | 3–18; laminae elliptic to lanceolate, 7–15 × 2–5 mm. |
3–4; laminae elliptic, 1.9–2.5 × 0.6–1.3 mm. |
Disc florets | 16–60; corollas 6–10 mm. |
8–9; corollas 3.5–5.3 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. |
22–30 in 4–5 series, mostly tan, lanceolate to elliptic, 1.5–5 × 0.8–1.2 mm, strongly unequal, chartaceous (bodies abruptly constricted at bases of appendages), midnerves usually inconspicuous, (margins scarious, entire or minutely lacerate) apices acute to acuminate or cuspidate, abaxial faces glabrous, lightly resinous, sometimes gland-dotted. |
Heads | usually borne singly. |
in cymiform arrays. |
Cypselae | tan to brown, narrowly oblanceoloid, somewhat flattened, 4–5 mm (2-ribbed), sericeous to villous; pappi silvery, 5.8–7 mm. |
tan, subcylindric to narrowly oblanceoloid, 2.2–4 mm, sericeous; pappi whitish, 3–5 mm. |
2n | = 18. |
= 18. |
Ericameria linearifolia |
Ericameria cervina |
|
Phenology | Flowering spring–early summer. | Flowering late summer–fall. |
Habitat | Rocky or sandy soils of mountainsides, dry creek beds, deserts, mesas, and interior plains | Rock-crevices and talus, often on granitic outcrops and soils |
Elevation | 70–2000 m (200–6600 ft) | 1500–2400 m (4900–7900 ft) |
Distribution |
AZ; CA; NM; NV; TX; UT
|
AZ; NV; UT |
Discussion | Ericameria cervina is found in northwest Arizona, adjacent Nevada, and Utah. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 20, p. 61. | FNA vol. 20, p. 56. |
Parent taxa | Asteraceae > tribe Astereae > Ericameria | Asteraceae > tribe Astereae > Ericameria |
Sibling taxa | ||
Synonyms | Haplopappus linearifolius, Haplopappus linearifolius subsp. interior | Haplopappus cervinus |
Name authority | (de Candolle) Urbatsch & Wussow: Brittonia 31: 273. (1979) | (S. Watson) Rydberg: Fl. Rocky Mts., 1067. (1917) |
Web links |