Difference between revisions of "Wyethia helenioides"
Trans. Amer. Philos. Soc., n. s. 7: 353. 1840.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 20:36, 16 December 2019
Plants (15–)25–40(–60) cm. Basal leaves: blades (whitish to grayish) oblong-ovate to lance-elliptic, 18–38 cm, margins usually entire, sometimes serrulate or dentate (often undulate), faces densely tomentose to tomentulose (usually gland-dotted as well), glabrescent; cauline leaves (3–6) similar, smaller. Heads usually borne singly (–2+). Involucres hemispheric or broader, 35–60+ mm diam. Phyllaries 16–24, unequal, herbaceous, margins not ciliolate, faces tomentose; outer (30–)40–80+ mm (foliaceous, much surpassing the discs). Ray florets 13–21; laminae 20–35(–50) mm. Cypselae 12–15 mm, distally strigillose. 2n = 38.
Phenology: Flowering (Feb–)Mar–May.
Habitat: Grassy slopes, openings in woodlands
Elevation: 10 –1600(–2000) m
Discussion
Wyethia helenioides grows in the Sierra Nevada foothills and west of the Central Valley, avoiding the fog belt.
Selected References
None.