Life … Plants Vascular Plants Dicots Buttercups, Poppies, and Allies Buttercup Family Larkspurs Royal Larkspur San Clemente Island Larkspur subspecies San Clemente Island Larkspur Delphinium variegatum kinkiense Supports All 2 native animalssupported in the US Caterpillars Moths and butterflies raised on it Alfalfa Looper 1 Flower visitors Pollinators and other flower visitors White-lined Sphinx 1 Key traits Layer Herbaceous plants Plant type Perennial Wildflower From USDA PLANTS. Close