Encelia nutans
Encelia actoni
nodding sunray, noddinghead
Acton encelia
± subterranean (except peduncles).
with slender branches from bases, hairy, developing fissured barks.
basal;
petioles 20–35 mm;
blades green, broadly ovate, 30–40 mm, faces glabrous or substrigose (sometimes rugose).
cauline;
petioles 6–12 mm;
blades silvery green, ovate to deltate, 25–40 mm, apices acute, faces ± silvery-canescent.
hairy.
canescent.
12–22 mm.
8–14 mm.
0.
14–25;
corolla laminae 10–25 mm.
yellow, 6–8 mm.
yellow, 5–6 mm.
lanceolate.
ovate.
borne singly (nodding in fruit).
borne singly.
7–12 mm;
pappi usually 0, rarely of 2 bristlelike awns.
5–7 mm;
pappi usually 0, rarely of 1–2 bristlelike awns.
= 36.
= 36.
Encelia nutans
Encelia actoni
Encelia nutans shares the apically notched and glabrous-faced cypselae of the genus, but its geophyte habit, especially the ephemeral nature of its aboveground parts, is unique in either Encelia or Enceliopsis.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
The epithet actoni (sometimes spelled actonii) is from a place name (Acton, Los Angeles County, California); actoni is correct.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
USDA Plants Database- Local floras:
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