Life … Plants Vascular Plants Dicots Legumes, Milkworts, and Allies Legumes Sweet Peas and Vetchlings Nevada Sweet Pea Lathyrus lanszwertii tracyi variety Lathyrus lanszwertii tracyi Lathyrus lanszwertii tracyi Key traits Layer Vines Plant type Perennial Vine Wildflower From USDA PLANTS. Close