Mexican oregano is a shrubby perennial with oregano-scented leaves. Delicate tubular lavender-white blooms cover the plant all summer and into fall. The leaves can be used like oregano either fresh or dried and the flowers can be used in teas. (San Antonio, Tx.)
A better photo of this lovely plant's blooms with afternoon sunlight backlighting them.
flowers and leaves, great for marinating chicken
Poliomintha longiflora, Mexican Oregano, at Fort Worth Botanical gardens.