Eryngium yuccifolium var. yuccifolium

Northern Rattlesnake Master, Button Eryngo

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Family: Apiaceae (Carrot / Parsley family)

Mid-Atlantic bloom time: June - August

Rattlesnake Master's species epithat yuccifolium comes from its lower leaves resemblance to those of yuccas. Those diagnostic straplike leaves are narrow, 19–90 cm long, and have bristles on their edges.

Northern Rattlesnake Master (var. yuccifolium) is the variety found in the Mid-Atlantic area. The Southern variety (var. synchaetum) is more of a southern coastal plain endemic, preferring wet savannahs. The bristles in the Northern variety's are solitary along the lower leaf edges, whereas they are in clusters of 1-3 in the Southern variety.




14 July 2019
Front Royal, VA
11 May 2022
The Cedars Natural Area Preserve, Lee County, VA
11 May 2022
The Cedars Natural Area Preserve, Lee County, VA
(notice solitary bristles along leaf edges)
14 July 2019
Front Royal, VA
(notice solitary bristles along leaf edges)
14 July 2019
Front Royal, VA
11 May 2022
The Cedars Natural Area Preserve, Lee County, VA
(previous year's seed head)
   




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