Life … Plants Vascular Plants Monocots Agaves, Orchids, Irises, and Allies Agave and Allies Yuccas Great Plains Yucca Small Soapweed Yucca variety Small Soapweed Yucca Yucca glauca glauca Key traits Layer Shrubs Plant type Perennial Shrub Wildflower From USDA PLANTS. Close