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Corydalis hamata Franch. is described and illustrated. Variation within the species and relationships with related species are discussed. Corydalis pseudohamata Fedde is reinstated as a species.
Corydalis pseudobarbisepala Fedde is described and illustrated. The species is at present known only from two mountains in west central Sichuan Province in the Republic of China, and has not been reported from its type location for 100 years.
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