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48. Triphysaria Fischer & C. A. Meyer, Index Sem. Hort. Petrop. 2: 52. 1836.
直果草属 zhi guo cao shu
Herbs, annual, hemiparasitic. Leaves alternate. Spikes terminal; bracts often broader than leaves. Calyx subequally 4-lobed. Corolla elongated, conspicuously 2-lipped; lower lip 3-lobed, base of lobes saccate; upper lip slightly longer than lower lip, rostrate, entire. Stamens 4, didynamous; anthers 1-loculed. Stigma entire. Capsule compressed, 2-sulcate, loculicidal. Seeds numerous.
Six species: W North America, particularly California; one species in China.
Lower Taxon
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