Yucca (yucca sp): This is a yucca flower. Yuccas are natives to North America and into Central America. They have linear leaves arranges in strong rosette patterns. In some species the leaves are tnarrow some species they are much broader. Some a stemless plants and some are tree like. All bear large flowering stalks of cream colored flowers, which are pollinated by yucca moths. They make great focal or accent plants in the garden..