Group 7

Plants With Prickles, Spines or Thorns

Plants With Prickles Scattered Over Branchlets and Often Over Leaves

Simple With Margins Regularly and Finely Toothed

Leaves Alternate

Adult Leaves Not Deeply Lobed

Leaf Undersurface Green With Sparse to Moderately Dense Star Hairs

Leaf Undersurface White, Yellow, Fawn or Greenish−white With Dense Star Hairs

Leaves Alternate With Paired Spines At Base Of Some Leaves

Plants With Axillary Spines and/or Branchlets Spinose

Leaves Opposite And Entire

Axillary Spines Present

Leaves Opposite, Margins Toothed

Alternate And Entire or Almost So

Alternate And Toothed