Key to Encelia

View taxon page for Encelia

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

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

1. Heads in panicle-like cluster, always radiate; leaves ± hairy, hairs curled

2. Heads 2–5 in loose panicle-like cluster with branches mostly proximal; leaves moderately hairy, often partly 

strigose 

With stiff, straight, sharp, appressed hairs.

, green to ± canescent

3. Disk corollas red; rays well-developed, not deeply lobed ..... [E. californica × E. farinosa]

3' Disk corollas yellow; rays often short, few, deeply lobed ..... [E. farinosa × E. frutescens]

2' Heads 3–9 in loose to tight panicle-like cluster with branches mostly distal; rays well developed; leaves minutely 

tomentose 

Covered with densely interwoven, generally matted hairs.

, not at all strigose, silvery or gray ..... E. farinosa

4. Disk corollas yellow to orange; anthers orange ..... var. farinosa

4' Disk corollas red to reddish brown, dark brown, or brown-purple; anthers red to dark brown ..... var. phenicodonta

1' Heads generally solitary, radiate or discoid; leaves glabrous or hairy

5. Disk corolla brown-purple; leaves green, glabrous to sparsely and minutely strigose or bristly ..... E. californica

5' Disk corolla yellow or orange; leaves green to gray, glabrous or hairy

6. Ray flowers 0; leaves green, strigose but not canescent ..... E. frutescens

6' Ray flowers present; leaves gray-green to green, canescent

7. Leaves silvery green, canescent, not at all strigose; ray flowers 14–25, ray 10–25 mm, shallowly toothed; sw SnJV and adjacent WTR (Cuyama Valley), W&I, w D and adjacent CA-FP, DMtns ..... E. actoni

7' Leaves sparsely strigose and lightly soft-canescent; ray flowers 11–21, ray 8–15 mm, deeply toothed; e DMoj, DMtns ..... E. virginensis

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