Verbena simplex (Narrowleaf Vervain) is a species of perennial herb in the family Verbenaceae. It has a self-supporting growth form. It is native to the contiguous United States and Canada. Narrowleaf Vervain has simple, broad leaves. Flowers are visited by Celastrina neglecta. Narrowleaf Vervain is a photoautotroph.
EOL has data for 17 attributes, including: