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green or round-leaf rabbitbrush, green rabbitbrush, round-leaf rabbitbrush

Habit 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.

Peduncles

0.5–2 mm (bracts 0–3, mostly like outer phyllaries).

Involucres

obconic, 5–9 × 2–5 mm.

Ray florets

0.

Disc florets

5–7;

corollas 5.8–8 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.

Heads

in cymiform to racemiform arrays (1–3 cm wide).

Cypselae

tan to brown, narrowly ellipsoid, 3–4 mm, sericeous;

pappi off-white to brown, 6–7.5 mm.

2n

= 18.

Ericameria teretifolia

Phenology Flowering fall.
Habitat Canyon walls, rocky flats, and slopes
Elevation 600–2400 m (2000–7900 ft)
Distribution
from FNA
AZ; CA; NV
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 76.
Parent taxa Asteraceae > tribe Astereae > Ericameria
Sibling taxa
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. watsonii, E. winwardii, E. zionis
Synonyms Linosyris teretifolia, Chrysothamnus teretifolius
Name authority (Durand & Hilgard) Jepson: Man. Fl. Pl. Calif., 1024. (1925)
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