Eucephalus tomentellus |
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brickellbush aster, hairy rayless aster, rayless aster |
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Habit | Perennials 40–90 cm (caudices woody). |
Stems | erect, woolly or cottony. |
Leaves | mid and distal blades lanceolate to elliptic, 2.5–6 cm × 7–20 mm, abaxial faces glabrous or glabrate, adaxial ± densely woolly to cottony. |
Peduncles | pubescent. |
Involucres | turbinate, 7–10 mm. |
Phyllaries | in 4–6 series (often reddish at margins and apices), linear-oblong to ovate (strongly unequal), apices acute, abaxial faces tomentose to stipitate-glandular. |
Heads | 3–40 in racemiform to paniculiform arrays. |
Cypselae | glabrous or pilose; pappus bristles in 2 series, ± barbellate. |
Rays | (0–)1–3(–6), violet-purple. |
Eucephalus tomentellus |
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Phenology | Flowering Jul–Aug. |
Habitat | Open oak or coniferous woods, forest openings and rocky cliffs |
Elevation | 1300–2400 m (4300–7900 ft) |
Distribution |
CA; OR
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Discussion | Eucephalus tomentellus grows in the Siskiyou Mountains of southwestern Oregon and northern California. It may intergrade with E. breweri and E. glabratus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 42. |
Parent taxa | Asteraceae > tribe Astereae > Eucephalus |
Sibling taxa | |
Synonyms | Sericocarpus tomentellus, Aster brickellioides, Aster tomentellus, E. bicolor, E. brickellioides |
Name authority | (Greene) Greene: Pittonia 3: 55. (1896) |
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