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54. Odontites Ludwig, Inst. Regn. Veg., ed. 2. 120. 1757.
疗齿草属 liao chi cao shu
Herbs, hemiparasitic. Leaves opposite. Bracts smaller than leaves. Calyx 4-lobed. Corolla tube tubular; limb 2-lipped; lower lip spreading, 3-lobed, lateral lobes entire, middle lobe emarginate; upper lip slightly arching, obscurely galeate, margin straight, apex entire to emarginate. Stamens 4, didynamous, enclosed by galea; anther locules slightly divergent, pointed at base. Stigma capitate. Capsule loculicidal. Seeds numerous, pendulous, sculptured, winged; wings cross striate.
About 20 species: temperate regions of Asia, Europe, and N Africa; one species in China.
Lower Taxon
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