Eryngium yuccifolium Michx.  
Family: Apiaceae
button eryngo, rattlesnake-master
Eryngium yuccifolium image
Paul Drobot  
Etymology: Eryngium: Greek for "prickly plant," referring to apparent prickle-like leaves even though they are neither prickly or sharp
Plants: erect, perennial, 1 1/2'-4' tall forb; roots a small, close bundle
Leaves: parallel veins, succulent, stiff, long and narrow with a sharp point and spiny edges; most from a basal clump leaf drawing
Flowers: 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.
Fruits: dry, splitting into 2 seeds
Habitat: sun; dry to moist; meadows, prairies; in sandy, loamy soil
Conservation Status: Native
Eryngium yuccifolium image
Merel R. Black  
Eryngium yuccifolium image
Derek Anderson  
Eryngium yuccifolium image
Paul Drobot  
Eryngium yuccifolium image
Paul Drobot  
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