Flora of North America species comparison

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Wyethia ×cusickii

Wyethia longicaulis

hybrid mule's ears, mule-ears

Humboldt County wyethia, Humboldt mule-ears
Habit Plants 20–40(–60) cm.
Basal leaves

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

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

5–8+;

laminae 18–30 mm.
Phyllaries

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

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

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

6–8 mm, glabrous.

Wyethia ×cusickii

Wyethia longicaulis
Phenology Flowering late May–early Jul.
Habitat Grassy slopes, openings in forests
Elevation 700–1500 m (2300–4900 ft)
Distribution
from USDA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

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. 103.
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. glabra, W. helenioides, W. helianthoides, W. mollis
Name authority A. Gray: Proc. Amer. Acad. Arts 19: 4. (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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