Iva hayesiana is a species of flowering plant in the family Asteraceae known by the common names San Diego marsh-elder and San Diego povertyweed.
It is native to northwestern Baja California and Southern California, in San Diego, Orange, Los Angeles, Ventura, and San Bernardino Counties.Calflora taxon report, University of California, Iva hayesiana A. Gray San Diego marsh elder, San Diego povertyweed
Description Iva hayesiana is a shrubby perennial herb approaching one meter (40 inches) in height. Its green oval-shaped leaves are fleshy, glandular, aromatic, and 3 to 6 centimeters (1.2-2.4 inches) long.
The flowers are nearly invisible; male flowers have translucent corollas and simple yellow stamens and female flowers, if they occur, lack corollas altogether. This is a plant of mineral-rich waterways such as intermittent streams and alkali flats.Flora of North America, Iva hayesiana A. Gray, 1876.
Conservation Threats to the plant include development of coastal habitat and waterways.Iva hayesiana. NatureServe. 2012. It is a .
Cultivation This species is recommended for use as an ornamental plant in fire-resistant landscaping in Southern California.Fire, plants, defensible space and you. County of San Diego, Department of Planning and Land Use. 2004.
References
External links
Jepson Manual Treatment United States Department of Agriculture Plants Profile Photo gallery