Erigeron eatonii var. eatonii |
Erigeron eatonii var. plantagineus |
|
---|---|---|
Eaton's fleabane |
Eaton's daisy, Eaton's fleabane, Eaton's plantain-leaf fleabane, plantain-leaf daisy |
|
Stems | 9–20(–32) cm. |
10–23 cm. |
Involucres | 4.5–6 × 10–13(–16). |
5–7 × (9–)11–12(–14) mm. |
Ray laminae | 5.5–8(–9). |
|
Disc corollas | 3–4(–5) mm. |
3–4 mm. |
Phyllaries | sparsely villous (hairs mostly 0.3–0.8 mm), minutely glandular. |
sparsely to moderately hirtellous (hairs mostly 0.3–0.8 mm), sometimes sparsely minutely glandular. |
Heads | 1–2(–7), held well beyond basal leaves. |
1–4, held just beyond to well beyond basal leaves. |
Cypselae | 1.7–2.4 mm; pappi of 16–20 bristles 3–3.5 mm. |
1.8–2.3 mm; pappi of 16–20 bristles 3–3.5 mm. |
Rays | laminae 5–7 mm. |
|
2n | = 18. |
= 18. |
Erigeron eatonii var. eatonii |
Erigeron eatonii var. plantagineus |
|
Phenology | Flowering May–Aug. | Flowering May–Aug. |
Habitat | Open, grassy sites, with sagebrush, pinyon-juniper, pine-oak, aspen-conifer | Open, grassy sites, often with sagebrush scrub, usually over volcanic substrate, less commonly over serpentine |
Elevation | 1600–3000(–3700) m (5200–9800(–12100) ft) | (1000–)1500–2500 m ((3300–)4900–8200 ft) |
Distribution |
AZ; CO; ID; MT; NV; UT; WY |
CA; OR |
Source | FNA vol. 20, p. 280. | FNA vol. 20, p. 281. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | E. plantagineus, E. eatonii subsp. plantagineus, E. robertianus | |
Name authority | unknown | (Greene) Cronquist: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 175. (1955) |
Web links |