Eriophyllum pringlei |
Eriophyllum mohavense |
|
---|---|---|
Pringle eriophyllum, Pringle's woolly sunflower |
Barstow woolly sunflower, Mohave or Barstow woolly sunflower, Mojave woolly sunflower |
|
Habit | Annuals, 1–5 cm. | Annuals, 1–2.5 cm. |
Stems | ± spreading. |
erect to spreading. |
Leaves | blades ± cuneate, 3–10 mm, usually 3-lobed, ultimate margins entire, strongly revolute (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 | ± 0.1 cm. |
± 0.1 cm. |
Involucres | broadly campanulate to hemispheric, 3–5+ mm diam. |
cylindric to obconic, 1–2+ mm diam. |
Ray florets | 0. |
0. |
Disc florets | 10–20; corollas ± 2 mm (tubes cylindric, throats broadly cylindric, abruptly dilated, lobes glandular; anther appendages deltate, tapering distally, not glandular). |
± 3; corollas ± 2 mm (tubes cylindric, throats broadly cylindric, abruptly dilated, lobes glandular; anther appendages deltate, tapering distally, not glandular). |
Phyllaries | 6–8, distinct. |
3–4, distinct. |
Heads | borne singly or in clusters. |
borne singly or in clusters. |
Cypselae | 1.5–2 mm; pappi of 5–12 ± oblanceolate scales ± 1 mm. |
2–2.5 mm; pappi of 12–14 linear to spatulate scales ± 1.5 mm. |
2n | = 14 + 0–1 B or 0–1 I, 16. |
|
Eriophyllum pringlei |
Eriophyllum mohavense |
|
Phenology | Flowering Feb–Jul. | Flowering Apr–May. |
Habitat | Sandy or gravelly openings in desert, creosote-bush, or sagebrush scrublands, or chaparral | Sandy or gravelly areas, creosote-bush scrublands |
Elevation | 300–2200 m (1000–7200 ft) | 500–800 m (1600–2600 ft) |
Distribution |
AZ; CA; NV; Mexico (Baja California)
|
CA |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 21, p. 355. | FNA vol. 21, p. 355. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Baeriinae > Eriophyllum | Asteraceae > tribe Heliantheae > subtribe Baeriinae > Eriophyllum |
Sibling taxa | ||
Synonyms | Eremonanus mohavensis | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 19: 25. (1883) | (I. M. Johnston) Jepson: Man. Fl. Pl. Calif., 1117. (1925) |
Web links |