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Coast Range mule's ears, Coast Range mule-ears, smooth mule ears

Humboldt County wyethia, Humboldt mule-ears

Habit Plants 15–40(–60) cm. Plants 20–40(–60) cm.
Basal leaves

blades oblong-lanceolate to elliptic-ovate, 20–30(–40) cm, margins entire or ± serrate-dentate (often undulate), faces glabrous or finely stipitate-glandular, sometimes sparsely pilosulous as well (usually shining);

cauline leaves similar, smaller.

blades narrowly oblong-lanceolate to lance-linear, 15–25(–40) cm, margins entire or denticulate, faces glabrous (usually gland-dotted and ± vernicose, the varnish, in age, becoming whitish and opaque);

cauline leaves similar, smaller distally.

Involucres

hemispheric or broader, 35–60+ mm diam.

broadly hemispheric or campanulate, 10–20(–30) mm diam.

Ray florets

(8–)12–27;

laminae 15–25(–35) mm.

5–8+;

laminae 18–30 mm.

Phyllaries

22–24+, unequal, herbaceous, margins not ciliate, faces glabrous or abaxial finely stipitate-glandular;

outer (30–)40–70 mm (foliaceous, much surpassing discs).

14–18+, unequal to subequal, herbaceous, margins not ciliate, faces glabrous (gland-dotted);

outer 18–25+ mm (equaling or surpassing discs).

Heads

usually borne singly (–2+).

2–4+ in racemiform to corymbiform arrays or borne singly.

Cypselae

10–13 mm, puberulent and/or finely stipitate-glandular (at least distally).

6–8 mm, glabrous.

Wyethia glabra

Wyethia longicaulis

Phenology Flowering Mar–May(–Jun). Flowering late May–early Jul.
Habitat Shady sites, dry foothills Grassy slopes, openings in forests
Elevation 10–800 m (0–2600 ft) 700–1500 m (2300–4900 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Wyethia glabra grows in the Coast Ranges, often in the fog belt.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Wyethia longicaulis is known only from the Coast Ranges of northern California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 101. FNA vol. 21, p. 103.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Wyethia Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Wyethia
Sibling taxa
W. amplexicaulis, W. angustifolia, W. arizonica, W. helenioides, W. helianthoides, W. longicaulis, W. mollis
W. amplexicaulis, W. angustifolia, W. arizonica, W. glabra, W. helenioides, W. helianthoides, W. mollis
Name authority A. Gray: Proc. Amer. Acad. Arts 6: 543. (1865) A. Gray: Proc. Amer. Acad. Arts 19: 4. (1883)
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