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Yuan Q, Yang Q-E.

Taxonomic studies on the genus Delphinium (Ranunculaceae) from China (XXII): Clarifying morphological distinction between D. drepanocentrum and D. umbrosum and synonymizing D. umbrosoides with D. drepanocentrum

. Phytotaxa [Internet]. 2022 Nov. 15 [cited 2025 Dec. 6];572(3):243-58. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.572.3.3