Flora of North America species comparison

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Wyethia ×cusickii

Wyethia glabra

hybrid mule's ears, mule-ears

Coast Range mule's ears, Coast Range mule-ears, smooth mule ears
Habit Plants 15–40(–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.
Involucres

hemispheric or broader, 35–60+ mm diam.
Ray florets

(8–)12–27;

laminae 15–25(–35) 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).
Heads

usually borne singly (–2+).
Cypselae

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

Wyethia ×cusickii

Wyethia glabra
Phenology Flowering Mar–May(–Jun).
Habitat Shady sites, dry foothills
Elevation 10–800 m (0–2600 ft)
Distribution
from USDA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[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.)
Source FNA vol. 21, p. 101.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Wyethia
Sibling taxa
W. amplexicaulis, W. angustifolia, W. arizonica, W. glabra, W. helenioides, W. helianthoides, W. longicaulis, W. mollis
W. amplexicaulis, W. angustifolia, W. arizonica, W. helenioides, W. helianthoides, W. longicaulis, W. mollis
Name authority A. Gray: Proc. Amer. Acad. Arts 6: 543. (1865)
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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