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nodding sunray, noddinghead

bush sunflower, California brittlebush

Habit Perennials, 10–25 cm (roots swollen, 6–10 cm). Shrubs, 50–150 cm.
Stems

± subterranean (except peduncles).

with slender branches from bases, glabrous, developing smooth or roughened barks.

Leaves

basal;

petioles 20–35 mm;

blades green, broadly ovate, 30–40 mm, faces glabrous or substrigose (sometimes rugose).

cauline;

petioles 5–25 mm;

blades green, rhombic or narrowly ovate, 30–60 mm, apices acute, faces glabrous.

Peduncles

hairy.

pubescent.

Involucres

12–22 mm.

10–12 mm.

Ray florets

0.

15–25;

corolla laminae 15–35 mm.

Disc corollas

yellow, 6–8 mm.

brown-purple, 5–6 mm.

Phyllaries

lanceolate.

lanceolate.

Heads

borne singly (nodding in fruit).

borne singly.

Cypselae

7–12 mm;

pappi usually 0, rarely of 2 bristlelike awns.

5–7 mm;

pappi 0.

2n

= 36.

= 36.

Encelia nutans

Encelia californica

Phenology Flowering Apr. Flowering Feb–Oct.
Habitat Flat areas with heavy soils Coastal scrub
Elevation 1300–1900 m (4300–6200 ft) 0–600 m (0–2000 ft)
Distribution
from FNA
CO; UT
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

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.)

Source FNA vol. 21, p. 120. FNA vol. 21, p. 121.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Encelia Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Encelia
Sibling taxa
E. actoni, E. californica, E. farinosa, E. frutescens, E. resinifera, E. scaposa, E. virginensis
E. actoni, E. farinosa, E. frutescens, E. nutans, E. resinifera, E. scaposa, E. virginensis
Synonyms Enceliopsis nutans
Name authority Eastwood: Zoë 2: 230. (1891) Nuttall: Trans. Amer Philos. Soc., n. s. 7: 357. (1841)
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