Flora of North America species comparison

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Eriophyllum pringlei

Eriophyllum nubigenum

Pringle eriophyllum, Pringle's woolly sunflower

Yosemite woolly sunflower
Habit Annuals, 1–5 cm. Annuals, 5–15 cm.
Stems

± spreading.

ascending.
Leaves

blades ± cuneate, 3–10 mm, usually 3-lobed, ultimate margins entire, strongly revolute (apices ± rounded), faces woolly.

blades oblanceolate, 1–2 cm, margins entire, plane (apices acute), faces woolly.
Peduncles

± 0.1 cm.

± 1 cm.
Involucres

broadly campanulate to hemispheric, 3–5+ mm diam.

cylindric, 3–4+ mm diam.
Ray florets

0.

4–6;

laminae yellow, ± 1 mm (inconspicuous).
Disc florets

10–20;

corollas ± 2 mm (tubes cylindric, throats broadly cylindric, abruptly dilated, lobes glandular; anther appendages deltate, tapering distally, not glandular).

10–20;

corollas ± 2 mm (tubes cylindric, throats broadly funnelform, abruptly dilated, lobes not glandular; anther appendages deltate, glandular).
Phyllaries

6–8, distinct.

4–6, distinct.
Heads

borne singly or in clusters.

borne singly or in loose arrays.
Cypselae

1.5–2 mm;

pappi of 5–12 ± oblanceolate scales ± 1 mm.

2.5–3 mm;

pappi of 8–10 lanceolate to spatulate (± unequal) scales 0.5–1.5 mm.
2n

= 14 + 0–1 B or 0–1 I, 16.

= 14.

Eriophyllum pringlei

Eriophyllum nubigenum
Phenology Flowering Feb–Jul. Flowering Jun–Jul.
Habitat Sandy or gravelly openings in desert, creosote-bush, or sagebrush scrublands, or chaparral Gravelly or rocky openings, yellow pine or red fir forests
Elevation 300–2200 m (1000–7200 ft) 1800–2500 m (5900–8200 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. 356.
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. mohavense, E. multicaule, E. pringlei, E. staechadifolium, E. wallacei
Name authority A. Gray: Proc. Amer. Acad. Arts 19: 25. (1883) Greene ex A. Gray: Proc. Amer. Acad. Arts 19: 25. (1883)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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