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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
from FNA
AZ; CA; NV; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
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
E. ambiguum, E. confertiflorum, E. congdonii, E. jepsonii, E. lanatum, E. lanosum, E. latilobum, E. mohavense, E. multicaule, E. nubigenum, E. staechadifolium, E. wallacei
E. ambiguum, E. confertiflorum, E. congdonii, E. jepsonii, E. lanatum, E. lanosum, E. latilobum, E. multicaule, E. nubigenum, E. pringlei, E. staechadifolium, E. wallacei
Synonyms Eremonanus mohavensis
Name authority A. Gray: Proc. Amer. Acad. Arts 19: 25. (1883) (I. M. Johnston) Jepson: Man. Fl. Pl. Calif., 1117. (1925)
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