Eucephalus glabratus |
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Siskiyou aster, smooth aster |
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Habit | Plants 3–7 dm. |
Stems | erect, glabrous to sparsely glandular-pubescent. |
Leaves | lanceolate to lanceolate-ovate, 3–6 cm × 5–20 mm; surfaces ± glabrous. |
Inflorescences | corymb- to raceme-like arrays. |
Involucres | campanulate, 7–10 mm. |
Ray florets | 0–2(4); corollas violet-purple. |
Phyllaries | in 3–5 series, strongly imbricate, lanceolate to narrowly ovate; tips acute; surfaces ± glabrous; outer < ? as long as involucres. |
Fruits | ± pilose; pappus bristles in 2 series; ± smooth. |
Heads | 3–20, discoid or radiate. |
2n | =18. |
Eucephalus glabratus |
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Distribution | |
Discussion | Dry open forests, chaparral. Flowering Jul–Sep. 400–2000 m. Sisk. CA. Native. This species hybridizes with E. tomentellus and E. vialis. |
Source | Flora of Oregon, volume 2, page 266 Geraldine Allen |
Sibling taxa | |
Synonyms | Aster siskiyouensis |
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