Crataegus monogyna

Hawthorn

Family: Rosaceae · Type: shrub · Not Native

Conservation status: Cal-IPC Yes

Hawthorn is a naturalized shrub found in northern coastal California, northern coastal and coastal ranges, and San Francisco Bay Area regions in scattered places at an elevation of 500 meters. Flowering from May to August, this plant produces white flowers with pink-purple anthers approximately 13 to 16 millimeters in diameter. Growing with distinctive thorny branches and a spreading habit, it forms a dense shrub with multiple stems. Its leaves are widely ovate, deeply sharp-lobed, and typically 3 to 5 centimeters long, forming short shoots with intricate leaf structures. The fruit is an elliptical to nearly spherical red to deep red drupe approximately 10 millimeters in diameter, containing a single stone.

Habitat: Naturalized in scattered places

Bloom period: May-Aug

Elevation: 500 m

Bioregions: NCo, NCoR, SnFrB

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