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

Vulnerable  (NatureServe)[1]
Scientific classification Edit this 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

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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.[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

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Threats 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

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