Jepson eFlora
Key to families | Table of families and genera

Key to Wyethia

View taxon page for Wyethia

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Heads discoid (or ray flowers rarely 1–3) ..... W. invenusta

1' Heads radiate, ray flowers 5–21+

2. Basal leaves 0 on flowering stems (or generally < cauline leaves)

3. Outer phyllaries many, generally not leaf-like, generally < 6 mm wide; involucre hemispheric; plant generally > 5 dm

4. Plant densely soft-hairy; fruit 8–12 mm, glabrous or distally short-hairy; pappus (0.5)1–3 mm ..... W. elata

4' Plant scabrous and sparsely bristly; fruit 5–6 mm, glabrous; pappus 0 or minute ..... W. reticulata

3' Outer phyllaries 4–6, ± leaf-like, generally 6–17 mm wide; involucre bell-shaped; plant generally 1–3(5) dm

5. Head 1; leaves glabrous; pappus 0 or a crown 0.1–0.3 mm ..... W. bolanderi

5' Heads generally several; young leaves tomentose; pappus a crown of triangular scales 1–1.5 mm ..... W. ovata

2' Basal leaves present on flowering stems, generally > cauline leaves

6. Outer phyllaries wide, leaf-like, generally >> inner; head generally 1(2), large

7. Plant shiny green, glabrous or sparsely short-hairy, glandular; phyllaries glabrous or glandular; fruit 10–13 mm ..... W. glabra

7' Plant densely tomentose, often becoming ± glabrous; phyllaries persistently tomentose; fruit 12–15 mm ..... W. helenioides

6' Outer phyllaries narrow, generally not or barely leaf-like, generally barely or not > inner; heads 1–few

8. Plant ± tomentose, often becoming glabrous; phyllaries generally few ..... W. mollis

8' Plant glabrous to short-hairy; phyllaries generally many

9. Phyllaries ± soft-hairy, ciliate; head generally 1 ..... W. angustifolia

9' Phyllaries glabrous or puberulent, margins occasionally ± puberulent, not ciliate; heads 1–4 ..... W. longicaulis


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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