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Mexican Thistle Eryngium heterophyllum

 

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Mexican Thistle
credit: unknown

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Alternate name: Wright's Eryngo

Family: Apiaceae, Carrot view all from this family



Description Native. Habit: erect, opposite, with a smooth silver stem. Height: 18-24 inches. Leaf: narrow silver lances, lobed, 2-5 inches long, arranged radially around the stem. Flower: White bracts resembling the leaves surround a 1/2 inch diameter oval head, silver turning light blue.


Flower July - October.


Habitat Sandy soils.


Range Louisiana west to Arizona, and into Mexico.


Discussion This plant resembles a thistle. Also known as: Wright's erygno.


 

 

 

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