Eriophyllum wallacei |
Eriophyllum mohavense |
|
---|---|---|
Wallace eriophyllum, Wallace's woolly daisy, woolly daisy, woolly easterbonnets |
Barstow woolly sunflower, Mohave or Barstow woolly sunflower, Mojave woolly sunflower |
|
Habit | Annuals, 1–15 cm. | Annuals, 1–2.5 cm. |
Stems | erect to spreading or ascending. |
erect to spreading. |
Leaves | blades obovate to spatulate, 7–20 mm, sometimes 3-lobed, ultimate margins entire, plane (apices ± rounded), faces ± woolly. |
blades spatulate to cuneate, 3.5–10 mm, sometimes 1–3-lobed (each lobe terminating in short, sharp cusp), ultimate margins entire, weakly, if at all, revolute (apices acute), faces loosely woolly. |
Peduncles | 1–3 cm. |
± 0.1 cm. |
Involucres | broadly campanulate, 4–6 mm diam. |
cylindric to obconic, 1–2+ mm diam. |
Ray florets | 5–10; laminae usually cream or yellow, sometimes white with red veins, 3–4 mm. |
0. |
Disc florets | 20–30; corollas 2–3 mm (tubes cylindric, throats funnelform, gradually dilated, lobes glandular; anther appendages subulate, not glandular). |
± 3; corollas ± 2 mm (tubes cylindric, throats broadly cylindric, abruptly dilated, lobes glandular; anther appendages deltate, tapering distally, not glandular). |
Phyllaries | 5–10, distinct. |
3–4, distinct. |
Heads | usually borne singly. |
borne singly or in clusters. |
Cypselae | ± 2 mm; pappi usually of 6–10 ± oblong scales 0.4–0.8 mm, rarely 0. |
2–2.5 mm; pappi of 12–14 linear to spatulate scales ± 1.5 mm. |
2n | = 10 + 0–1 I or 0–3 B. |
|
Eriophyllum wallacei |
Eriophyllum mohavense |
|
Phenology | Flowering Dec–Jul. | Flowering Apr–May. |
Habitat | Sandy or gravelly openings, creosote-bush or sagebrush scrublands, Joshua Tree or pinyon-juniper woodlands, or chaparral | Sandy or gravelly areas, creosote-bush scrublands |
Elevation | 30–2400 m (100–7900 ft) | 500–800 m (1600–2600 ft) |
Distribution |
AZ; CA; NV; UT; Mexico (Baja California)
|
CA |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 21, p. 356. | FNA vol. 21, p. 355. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Baeriinae > Eriophyllum | Asteraceae > tribe Heliantheae > subtribe Baeriinae > Eriophyllum |
Sibling taxa | ||
Synonyms | Bahia wallacei, Antheropeas wallacei, E. wallacei var. rubellum | Eremonanus mohavensis |
Name authority | (A. Gray) A. Gray: Proc. Amer. Acad. Arts 19: 25. (1883) | (I. M. Johnston) Jepson: Man. Fl. Pl. Calif., 1117. (1925) |
Web links |