Santa Cruz Island live-forever (Dudleya pulverulenta) is a succulent plant species endemic to the Santa Cruz Island off the coast of Southern California. It belongs to the Crassulaceae family and is commonly known as the "powdery live-forever" or "chalk dudleya". It is a small perennial plant that grows in rocky outcrops, and it is known for its distinctive appearance and drought-tolerant nature.

Description: Santa Cruz Island live-forever has a basal rosette of leaves that are fleshy and greenish-blue in color. The leaves are covered in a powdery white substance that helps to reflect sunlight and reduce water loss through transpiration. The plant produces a tall, slender stem with a cluster of small, star-shaped flowers at the top. The flowers are typically pink or purple in color and bloom in late spring to early summer.

Habitat and Distribution: Santa Cruz Island live-forever is endemic to the Santa Cruz Island off the coast of Southern California. It is adapted to the island's harsh and arid climate and is found growing in rocky outcrops and cliffs. The plant is also commonly cultivated as an ornamental plant due to its unique appearance and drought tolerance.

Ecological and Economic Importance: Santa Cruz Island live-forever plays an important role in the island's ecosystem. Its fleshy leaves and shallow root system help to stabilize the soil and prevent erosion. The plant is also an important food source for a variety of wildlife, including insects and small mammals. Additionally, the plant has potential economic value as a drought-tolerant ornamental plant for landscaping and green roofs.

Conservation Status: Santa Cruz Island live-forever is listed as a species of concern by the California Native Plant Society and is protected under the Endangered Species Act. The plant is threatened by habitat loss due to human development and invasive plant species. It is important to protect and conserve this species to maintain the biodiversity of the Santa Cruz Island and its unique ecosystem.