Crocanthemum scoparium

Crocanthemum scoparium, commonly known as the broom-Like frostweed or peak rushrose, is a small, drought-tolerant shrub native to North America, particularly in coastal and inland chaparral ecosystems of California, Baja California, and surrounding regions. It is a member of the Cistaceae family, which is well-known for its hardy, sun-loving plants adapted to dry climates. The plant is recognized for its upright, broom-like branches, which give it a distinctive appearance and its common name. It typically grows to about 1–3 feet (30–90 cm) tall....read more on Wikipedia.