Solanum rostratum – Kansas Thistle

Steer clear of this one. It has yellow flowers the size of a half dollar and lobed leaves that look like those of the watermelon.

Solanum rostratum – Kansas Thistle

It is August in Kansas. Near the over grazed cattle pens and along the rocky roads you will find this low lying plant. Don't ouch this plant, the entire plant is a mass of numerous, wickedly sharp, stinging spines. Don't eat this plant, the leaves and green fruit are poisonous. 

This plant is a member of the Nightshade family, and poisonous alkaloids.


Its common names include: Kansas Thistle, Buffalobur Nightshade, Buffalobur, Buffalo Burr, Colorado Bur, Mexican Thistle, Texas Thistle.