Jepson eFlora
Key to families | Table of families and genera

Key to Dieteria

View taxon page for Dieteria

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

1. Ray flowers 0 ..... D. canescens var. shastensis (2)

1' Ray flowers present

2. Phyllary tips acute to long-acuminate, 1–6 mm; phyllaries generally hairy and/or glandular throughout ..... D. asteroides

3. Involucre hemispheric; phyllary tips long-acuminate, 3–6 mm; leaves of mid-stem serrate or minutely serrate ..... var. asteroides

3' Involucre widely obconic to ± hemispheric; phyllary tips acute to short-acuminate, 1–3 mm; leaves of mid-stem entire or nearly so ..... var. lagunensis

2' Phyllary tips acute to short-acuminate, 1–3 mm; phyllaries generally hairy and/or glandular only on green tips ..... D. canescens

4. Heads generally 14–20 mm; subshrub or long-lived perennial herb; e Peninsular Ranges (Santa Rosa Mtns) ..... var. ziegleri

4' Heads generally 6–12 mm; annual to short-lived perennial herb; widespread

5. Stems with stalked glands, occasionally also canescent-puberulent ..... var. leucanthemifolia

5' Stems canescent-puberulent, stalked glands sparse or lacking

6. Stems stiffly erect, <= 60 cm; branches many, stiff, spreading; heads many ..... var. incana

6' Stems various, generally smaller; branches generally fewer, more flexible, loosely spreading to ascending; heads few to many

7. Ray flowers with styles, fertile, well developed; involucre generally 8–12 mm; phyllaries generally in 5–10 series ..... var. canescens

7' Ray flowers without styles, sterile, often ± reduced; involucre 6–9 mm; phyllaries generally in 3–5 series ..... var. shastensis (2)

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