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CommentsAnother common name for this plant is 'Sweet Annie.' Annual Wormwood is a non-woody summer annual that has hairless foliage with a sweet fruity fragrance. Other Artemisia spp. (Wormwoods) are often herbaceous biennials or woody perennials with hairy foliage (at least on the underside of their leaves). Many of these species have foliage with a smoky fragrance that resembles the seasoning 'Sage.' Annual Wormwood differs from a similar species, Artemisia biennis (Biennial Wormwood), by its double or triple pinnate leaves and spreading floral panicles. The latter species has simple pinnate leaves and a more spike-like inflorescence. The foliage of Annual Wormwood contains a chemical that is useful in the treatment of malaria.