Two plants, one of which will kill you. Know the difference.

The above plants are Copper Globemallow and Silverleaf Nightshade. These two plants are pretty similar when young and I have trouble telling them apart. The most obvious difference is the blossom color. Copper Globemallow has peach colored blossoms and Silver Leaf Nightshade has purple blossoms with yellow stamens. 

In the above picture Silverleaf Nightshade is in front of the Copper Globemallow. The easiest way to tell these two plants apart is that the nightshade stems are covered with tiny sharp spines while the globemallow doesn't have spines anywhere. You'll definitely notice the spines on the nightshade when you try to pull them out of the ground.

Other differences are size and leaf color. Copper Globemallow grows much larger as it matures, often into a bush and has a definite dark green color. Silverleaf Nightshade matures into a much smaller plant and the leaves are covered with tiny dense hairs giving them a lighter green silver color.

Be safe out there and always positively identify plants you intend to use for food and medicine. 

https://treeseeddreaming.wordpress.com/2016/06/20/copper-globemallow-sphaeralcea-angustifolia/