| Iva hayesiana | |
|---|---|
| |
| Conservation status | |
 Vulnerable (NatureServe) | |
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 | |
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.
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.
Conservation
Threats to the plant include development of coastal habitat and waterways. 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.
References
- ^ Iva hayesiana. NatureServe. 2012.
- Calflora taxon report, University of California, Iva hayesiana A. Gray San Diego marsh elder, San Diego povertyweed
- ^ 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
- [REDACTED] Media related to Iva hayesiana at Wikimedia Commons
- Jepson Manual Treatment
- United States Department of Agriculture Plants Profile
- Photo gallery
![[REDACTED]](https://abc.global.ssl.fastly.net/File:Commons-logo.svg){kind=link}
| Taxon identifiers | |
|---|---|
| Iva hayesiana |
|
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