Leaves opposite, wrinkled, scalloped, woolly. O'Neill Regional Park, Trabuco Cyn., Orange Co., CA. 4-11-10. © Joan Avise


Common Horehound (White Horehound)

Marrubium vulgare

Exotic, native to Europe, northern Africa and Asia. Horehound is used to make hard lozenge candies that are considered a digestive aid, soothe sore throats and relieve inflammation. It is highly unpalatable to livestock. It has been used in agriculture as a natural grasshopper repellent (Wikipedia).

Lamiaceae

Back to Lamiaceae of Orange County, California
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Calyx with 10 spined teeth; 4 stamens O'Neill Regional Park, Trabuco Cyn., Orange Co., CA. 4-11-10. © Joan Avise

Flowers in whorls Aliso and Wood Canyons Wilderness Park, Laguna Niguel, CA. 4-05-08. © Joan Avise

Upper Newport Bay, Newport Beach, CA. 5-20-06. © Joan Avise

Caspers Wilderness Park, Orange County, CA. 5-13-06. © Joan Avise