A NEW SPECIES OF THE GENUS ASTRAGALUS L., SECT. HYMENOSTEGIS FROM N.W. IRAN

Astragalus dianat-nejadii is described as a new species from northwest of Iran. This species belongs to the sect. Hymenostegis Bunge. Its illustration and distribution map is provided. The most related species to this new one are A. chrysostachys Boiss. and A. recognitus Fischer. These two species differ from the new one in stipule forms, bracts, peduncles, calyx, pods and so on. A table is provided to show the differences of the new species with its affinities.

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