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.
| Iva hayesiana | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Iva |
| Species: | I. hayesiana
|
| Binomial name | |
| Iva hayesiana Gray 1876
| |
It is native to northwestern Baja California and Southern California, in San Diego, Orange, Los Angeles, Ventura, and San Bernardino Counties.[2]
Description
editIva 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.[3]
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.[3]
Conservation
editThreats to the plant include development of coastal habitat and waterways.[1] It is a Vulnerable flora species in California.
- Cultivation
This species is recommended for use as an ornamental plant in fire-resistant landscaping in Southern California.[4]
References
edit- ^ a b Iva hayesiana. NatureServe. 2012.
- ^ Calflora taxon report, University of California, Iva hayesiana A. Gray San Diego marsh elder, San Diego povertyweed
- ^ a b Flora of North America, Iva hayesiana A. Gray, 1876.
- ^ Fire, plants, defensible space and you. County of San Diego, Department of Planning and Land Use. 2004.
External links
edit
Media related to Iva hayesiana at Wikimedia Commons- Jepson Manual Treatment
- United States Department of Agriculture Plants Profile
- Photo gallery
 | This Heliantheae article is a stub. You can help Wikipedia by expanding it. |