Eryngium yuccifolium
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| Eryngium yuccifolium | ||||||||||||||
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| Eryngium yuccifolium Michx. |
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. In the Chicago Region this species has a coefficient of conservativism of 9 meaning it is restricted to high quality remnant natural areas. 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%).
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.
[edit] References
- Blanchan, Neltje (2002). Wild Flowers: An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors.. Project Gutenberg Literary Archive Foundation.
- Melano Flores, Brenda. 2001. Reproductive Biology of Eryngium yuccifolium (Apiaceae), a prairie species. Journal of the Torrey Botanical Society 128:1-6
- Swink, Floyd and Gerould Wilhelm. Plants of the Chicago Region. Indiana Academy of Science. 1994.
[edit] External links
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