Lyonothamnus floribundus subsp. floribundus

Santa catalina island ironwood, Santa Catalina Island Ironwood

Family: Rosaceae · Type: tree · Native

Conservation status: CNPS 1B.2

Santa catalina island ironwood is a rare (CNPS 1B.2) California native tree found in southern Channel Islands, specifically on Santa Catalina Island, in rocky slopes, canyons, oak woodland, and chaparral at elevations of 100 to 500 meters. Flowering from May to June, this tree produces white flowers in clusters. Growing 5 to 15 meters tall with an upright, branching form, it develops a distinctive architectural structure with multiple trunks. Its leaves are 7 to 17 centimeters long, linear to oblong in shape, generally appearing entire or with subtle crenate to irregular lobing. The tree forms dense, sculptural canopies that provide distinctive texture and character to its native island habitat.

Habitat: Rocky slopes, canyons, oak woodland, chaparral

Bloom period: May-Jun

Elevation: 100-500 m

Bioregions: s ChI (Santa Catalina Island).

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.