Ericameria arborescens

(A. Gray) Greene

Man. Bot. San Francisco, 175. 1894.

Common names: Goldenfleece
Endemic
Basionym: Linosyris arborescens A. Gray in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 79. 1859
Synonyms: Haplopappus arborescens (A. Gray) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 54. Mentioned on page 53, 71.
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Plants 10–500 cm. Stems erect to spreading, green when young, fastigiately branched, glabrous or sparsely hairy, gland-dotted, resinous. Leaves mostly ascending to spreading, older deflexed; blades filiform (sulcate to concave), 25–90 × 0.5–3 mm, midnerves obscure to evident, apices acuminate to attenuate, often mucronate, faces glabrous or sparsely hairy, gland-dotted (in deep, circular pits), resinous; axillary leaf fascicles sometimes present. Heads in rounded, cymiform arrays (to 10 cm wide). Peduncles 1–15 mm (bracts 0–7, scalelike, resembling phyllaries). Involucres turbinate to subcampanulate, 4–6 × 3.5–4.5 mm. Phyllaries 20–25 in 3–4 series, tan, narrowly triangular to lanceolate, 1.5–5 × 0.5–1 mm, unequal, mostly chartaceous, midnerves evident, raised, mostly uniform in width to slightly dilated apically, (margins membranous, fimbriate) apices erect, acute, abaxial faces resinous. Ray florets 0. Disc florets 10–25; corollas 4–5 mm. Cypselae tan to brown, narrowly turbinate, 2–3 mm (5-ribbed), hairy; pappi tan, 3.5–4.5 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Dry foothill slopes, in chaparral
Elevation: 90–2000 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ericameria arborescens"
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(A. Gray) Greene +
Linosyris arborescens +
Goldenfleece +
Calif. +  and Oreg. +
90–2000 m +
Dry foothill slopes, in chaparral +
Flowering late summer–fall. +
Man. Bot. San Francisco, +
Haplopappus arborescens +
Ericameria arborescens +
Ericameria +
species +