Encelia nutans |
Encelia californica |
|
---|---|---|
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 |
CO; UT
|
CA; Mexico (Baja California)
|
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 | ||
Sibling taxa | ||
Synonyms | Enceliopsis nutans | |
Name authority | Eastwood: Zoë 2: 230. (1891) | Nuttall: Trans. Amer Philos. Soc., n. s. 7: 357. (1841) |
Web links |