Astragalus whitneyi is a species of legume known by the common name Balloon-pod milk-vetch,' Balloon milk-vetch', or Whitney's locoweed. It is a native to the Cascade Range and the Sierra Nevada (U.S.) and is unusual for its bright red or red-splotched balloon-like seedpods. Varieties include: * Astragalus whitneyi var. confusus * Astragalus whitneyi var. siskiyouensis * Astragalus whitneyi var. whitneyi