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Photographer: Emmet J. Judziewicz
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Family Asteraceae
Coreopsis tinctoria Nutt. var. tinctoria
golden tickseed, plains tickseed
Coreopsis: from Greek koris, "a bug," and -opsis, indicating a resemblance, therefore meaning bug-like, referring to the achenes which look like ticks
tinctoria: used in dyeing, usually referring to a plant that, when broken, exudes some kind of stain
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| Status: | Introduced - escaped |
| Plant: | erect, annual/biennial, 1'-4' tall forb; taprooted |
| Flower: | head 1"-2" wide with yellow, 1/3"-3/4" long, notched rays often brownish at the base, disk 1/5"-1/2" wide; inflorescence with many heads; blooms Jun-Aug. |
| Fruit: | dry seed usually without wings and no fluffy pappus |
| Leaf: | almost stalkless, 1 to 2 times pinnately-divided into linear segments |
| Habitat: | moist; disturbed areas |
| (Glossary) |
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