Jepson eFlora
Key to families | Table of families and genera

Key to Eucephalus

View taxon page for Eucephalus

(For a list of species in Eucephalus, use the above link.)

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


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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