Encelia nutans
Encelia resinifera
nodding sunray, noddinghead
button brittlebush, sticky brittlebush
± subterranean (except peduncles).
with slender branches from trunks, glabrate, developing fissured barks.
basal;
petioles 20–35 mm;
blades green, broadly ovate, 30–40 mm, faces glabrous or substrigose (sometimes rugose).
cauline;
petioles 2–6 mm;
blades green, lanceolate to ovate, 10–25 mm, apices usually acute, sometimes obtuse, faces strigose, gland-dotted.
hairy.
strigose to glabrate.
12–22 mm.
5–11 mm.
0.
8–13;
corolla laminae 8–12 mm.
yellow, 6–8 mm.
yellow, 5–6 mm.
lanceolate.
lanceolate.
borne singly (nodding in fruit).
borne singly.
7–12 mm;
pappi usually 0, rarely of 2 bristlelike awns.
5–8 mm;
pappi 0.
= 36.
= 36.
Encelia nutans
Encelia resinifera
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.)
Plants of Encelia resinifera from the Grand Canyon of the Colorado with lengths of leaf blades and ray laminae at least three times their widths are subsp. tenuifolia.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
WildflowerSearch
iNaturalist
USDA Plants Database
