A new section of Astragalus (Fabaceae: Galegeae) from Mexico

E. D. U. A. R. D. O. E. S. T. R. A. D. A. CASTILLON,J. O. S. E. A. N. G. E. L. V. I. L. L. A. R. R. E. A. L. QUINTANILLA,A. L. F. O. N. S. O. DELGADO-SALINAS

PHYTOTAXA（2022）

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摘要

We describe a new section (Astragalus sect. Rupertii A.E. Estrada, Villarreal & A.Delgado) from Mexico, its particular morphological features are, stipules free; calyx suboblong???urceolate to subglobose???urceolate, with subulate to triangular subulate teeth of the same size than tube; ovules 4; and pod 6???8 mm long, concealed by the calyx. The new section includes two endemic species from the state of Coahuila, Astragalus rupertii & A. pomphocalyx.

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关键词

Leguminosae, taxonomy, nomenclature, morphology, diversity

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