Eryngium yuccifolium Michx., Fl. Bor.-Amer. 1: 164 1803. ;

Images
by Ranjini Kamath (Id by Viplav Gangar) (Inserted by J.M.Garg) (For more photos & complete details, click
on the links)

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Eryngium yuccifolium (Button snake-root, Rattlesnake Master) is a common herbaceous perennial plant, native to the tallgrass prairies of central and eastern North America, from Minnesota east to Ohio and south to Texas and Florida.

It grows to 1.8 m tall, with linear leaves 15–100 cm long but only 1–3 cm broad, with bristly or spiny margins and a sharp tip. The flowers are produced in dense apical umbels 1–3 cm diameter, each flower greenish-white or bluish-white, 3–4 mm diameter. When this plant flowers, pollen matures before stigmas become receptive to maximize outcrossing. Rattlesnake master has unusually high seed set (close to 90%).[1]It gets its name because some Native Americans used its root as an antidote for rattlesnake venom. The scientific name was given because its leaves resemble those of yuccas.
Fibers of Rattlesnake Master have also been found as one of the primary materials used in the ancient shoe construction of Midwestern Native Americans.[2]
E. yuccifolium is fairly intolerant of anthropogenic disturbance,[3] but readily re-establishes in prairie restorations.[4][5]
(From Wikipedia on 29.9.13)

 
Plant for ID – New York – 220913 – RK-2 : Attachments (3). 2 posts by 2 authors.
17/06/13 afternoon – Highline Park – New York. Request ID.


This is Eryngium yuccifolium, commonly known as Rattlesnake Master.

The yellow racemes in the background of the first photograph are that of the Foxtail Lily – Eremurus stenophyllus.


 

 
 
 
 

References:

The Plant List  GRIN  Wikipedia  

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