Ericameria teretifolia

(Durand & Hilgard) Jepson

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

Common names: Green or round-leaf rabbitbrush
Endemic
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

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Ericameria teretifolia"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
cymiform +  and racemiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Durand & Hilgard) Jepson +
decurrent +
Linosyris teretifolia +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
filiform +
0.5mm;1.5mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Green or round-leaf rabbitbrush +
not 2-lipped +  and actinomorphic +
0.58 cm5.8 mm <br />0.0058 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
tan +  and brown +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Calif. +  and Nev. +
600–2400 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Canyon walls, rocky flats, and slopes +
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and petiolate +
erect;spreading or reflexed +
deltate +  and triangular +
2-carpellate +
off-white +  and brown +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering fall. +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
lanceolate +  and oblong +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Man. Fl. Pl. Calif., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
gland-dotted +  and green +
erect +  and ascending +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus teretifolius +
Ericameria teretifolia +
Ericameria +
species +
campanulate +
perennial +, biennial +  and annual +