Wednesday, June 17, 2009

Purple Thistle

Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Subfamily: Carduoideae
Tribe: Cynareae
Genus: Cirsium

I do not yet know what species of thistle this is, though it belongs to the genus "Cirsium", which includes a wide variety of thistles. All pics, early June, 2005 Northern Arkansas.

(9/23/08) It would appear that this is Carduus nutans, or a "Musk Thistle." For a different variety of purple thistle see:

Variant Species (we have these here, but these are from Nebraska, July 05)

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