Jepson eFlora
Key to families | Table of families and genera

Key to Eucephalus

View taxon page for Eucephalus

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

1. Ray flowers 5 or more (generally 5, 8, or 13)

2. Plant 5–15 dm; leaves 4–10 cm, green on faces, ± glabrous; ray white, ± becoming pink ..... E. engelmannii

2' Plant 2–8 dm; leaves <= 6(7) cm, abaxially pale green, ± tomentose, adaxially ± glabrous; ray violet to purple ..... E. ledophyllus var. covillei

1' Ray flowers generally 0–4

3. Ray flowers 0; phyllaries ± equal or unequal, linear to lance-oblong, acute to acuminate

4. Phyllaries ± equal; largest leaves 2–5 cm; pappus bristles in 1 series, all > 5 mm ..... E. breweri

4' Phyllaries unequal, outer << inner; largest leaves 5–9 cm; pappus bristles in 2 series, inner 5–10 mm, outer (at least a few) ± 1 mm ..... E. vialis

3' Ray flowers generally > 0 at least on some heads; phyllaries unequal, outer << inner, linear-oblong to ovate, acute

5. Leaves ± glabrous on faces ..... E. glabratus

5' Leaves ± glabrous adaxially, ± densely tomentose abaxially ..... E. tomentellus

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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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