Ericameria teretifolia

(Durand & Hilgard) Jepson

Man. Fl. Pl. Calif., 1024. 1925.

Common names: Green or round-leaf rabbitbrush
Basionym: Linosyris teretifolia Durand & Hilgard Pl. Heermann., 41. 1854
Synonyms: Chrysothamnus teretifolius (Durand & Hilgard) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 76. Mentioned on page 53.

Plants 30–150 cm. Stems erect to ascending, green when young, fastigiately branched, gland-dotted (in pits), resinous. Leaves mostly ascending to spreading; blades filiform (adaxially sulcate), 10–35 × 0.5–1.5 mm, midnerves obscure, apices acute to obtuse or rounded, faces glabrous, gland-dotted (in circular, deep pits), resinous. Heads in cymiform to racemiform arrays (1–3 cm wide). Peduncles 0.5–2 mm (bracts 0–3, mostly like outer phyllaries). Involucres obconic, 5–9 × 2–5 mm. Phyllaries 16–20 in 3–5 series (in vertical ranks), tan, lanceolate to oblong, 1–7 × 0.5–1.5 mm, strongly unequal, mostly chartaceous, midnerves mostly obscure, apices acute to rounded (outer each tipped with subspheric resin-gland), abaxial faces resinous. Ray florets 0. Disc florets 5–7; corollas 5.8–8 mm. Cypselae tan to brown, narrowly ellipsoid, 3–4 mm, sericeous; pappi off-white to brown, 6–7.5 mm. 2n = 18.

Phenology: Flowering fall.
Habitat: Canyon walls, rocky flats, and slopes
Elevation: 600–2400 m


Selected References


Lower Taxa

... more about "Ericameria teretifolia"
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Durand & Hilgard) Jepson +
Linosyris teretifolia +
Green or round-leaf rabbitbrush +
Ariz. +, Calif. +  and Nev. +
600–2400 m +
Canyon walls, rocky flats, and slopes +
Flowering fall. +
Man. Fl. Pl. Calif., +
Chrysothamnus teretifolius +
Ericameria teretifolia +
Ericameria +
species +