10-Letter Flowers Starting with 'WA'

A common name for any of several spring-flowering woodland plants of the genus Trillium, native to North America and characterized by a whorl of three leaves and three-petaled flowers.

A widely cultivated, spring-blooming plant of the mustard family, native to Europe and western Asia, characterized by fragrant yellow, orange, or brownish-red flowers and a tendency to grow in the crevices of old walls.