Coreopsis lanceolata |
Coreopsis auriculata |
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garden coreopsis, lanced-leaved coreopsis, lanceleaf tickseed |
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Habit | Plants perennial, 2–9 dm. | |
Leaves | simple, linear to elliptic-lanceolate, or pinnately compound with 2–6 broadly linear leaflets and a terminal elliptic-lanceolate segment, 4–20 cm; margins hispid-puberulent; tips acute; surfaces villous- or glandular-puberulent. |
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Inflorescences | solitary terminal and axillary heads. |
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Peduncles | 12–30 cm. |
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Involucres | hemispheric, 8–14 mm. |
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Ray florets | 8–15; rays 13–30 mm, yellow; tips usually 4+-lobed. |
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Disc florets | corollas 4–7 mm; well exceeding involucres; stamens yellow. |
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Phyllaries | outer series 50–~100% length of inner series. |
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Fruits | 2.5–4 mm; black, glabrous, broadly or narrowly winged, pappi of 2 short scales. |
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2n | =26. |
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Coreopsis lanceolata |
Coreopsis auriculata |
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Distribution | ||
Discussion | Roadsides, disturbed areas. Flowering May–Jul. 0–500 m. Casc, Est. CA, WA; British Columbia, central and eastern Canada and US. Exotic. |
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Source | Flora of Oregon, volume 2, page 232 Kenton Chambers |
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Sibling taxa | ||
Web links |
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