Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Thymus

Copy permalink to share | Check for keys that lead to this key

1 Leaves eciliate, revolute
1 Leaves ciliate (at least basally), not (or only slightly) revolute.
  2 Leaves without marginal veins; stem hairs confined only to 4 angles of stem
  2 Leaves with marginal veins present (at least in upper portion of leaves); stem hairs confined mostly to 2 sides only