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Photographer: Paul Drobot
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Family Apiaceae
Eryngium yuccifolium Michx.
button eryngo, rattlesnake-master
Eryngium: Greek for "prickly plant," referring to apparent prickle-like leaves even though they are neither prickly or sharp
yuccifolium: yucca-like leaved
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| Status: | Native |
| Plant: | erect, perennial, 1 1/2'-4' tall forb; roots a small, close bundle |
| Flower: | white to purplish, 5-parted; inflorescence a terminal, branched cluster (cyme) of 1/4"-1" spiny, round balls densely covered by tiny flowers; blooms July-Aug. |
| Fruit: | dry, splitting into 2 seeds |
| Leaf: | parallel veins, succulent, stiff, long and narrow with a sharp point and spiny edges; most from a basal clump  |
| Habitat: | sun; dry to moist; meadows, prairies; in sandy, loamy soil |
| Notes: | often planted north of its range |
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