Encelia nutans |
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nodding sunray, noddinghead |
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Habit | Perennials, 10–25 cm (roots swollen, 6–10 cm). |
Stems | ± subterranean (except peduncles). |
Leaves | basal; petioles 20–35 mm; blades green, broadly ovate, 30–40 mm, faces glabrous or substrigose (sometimes rugose). |
Peduncles | hairy. |
Involucres | 12–22 mm. |
Ray florets | 0. |
Disc corollas | yellow, 6–8 mm. |
Phyllaries | lanceolate. |
Heads | borne singly (nodding in fruit). |
Cypselae | 7–12 mm; pappi usually 0, rarely of 2 bristlelike awns. |
2n | = 36. |
Encelia nutans |
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Phenology | Flowering Apr. |
Habitat | Flat areas with heavy soils |
Elevation | 1300–1900 m (4300–6200 ft) |
Distribution |
CO; UT
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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. |
Parent taxa | |
Sibling taxa | |
Synonyms | Enceliopsis nutans |
Name authority | Eastwood: Zoë 2: 230. (1891) |
Web links |