Streptanthus cordatus stem. Flowers occur at intervals along the upper stem. Each has a calyx of sepals roughly a centimeter long which begin greenish yellow and mature purple. Four purple petals emerge from the tip of each calyx. The fruit is a thin, narrow silique which may reach 14 centimeters in length or longer. Streptanthus cordatus Streptanthus cordatus is a species of flowering plant in the mustard family known by the common name heartleaf twistflower. It is native to the western United States, where it can be found in many types of sagebrush, woodland, and forest habitat. It is a perennial herb
Trichostema simulatum long cyme of flowers growing from the stem between each leaf pair. Each flower has a hairy calyx of sepals with triangular points and a tubular, lipped purple corolla. The four protruding stamens are curved. Trichostema simulatum Trichostema simulatum is a species of flowering plant in the mint family known by the common name Siskiyou bluecurls. It is native to the southern Cascade Range in northern California and southern Oregon, and in the northern Sierra Nevada in California. It grows in open and generally sandy or gravelly sites of Yellow pine forests and adjacent habitats, at in elevation. "Trichostema simulatum"