''Iva hayesiana'' is a species of flowering plant in the family
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
known by the common names San Diego marsh-elder and San Diego povertyweed.
It is native to northwestern
Baja California
Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...
and southern California, in
San Diego
San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United State ...
,
Orange
Orange most often refers to:
*Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis''
** Orange blossom, its fragrant flower
*Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum
* ...
,
Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the List of municipalities in California, largest city in the U.S. state, state of California and the List of United States cities by population, sec ...
,
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.][Flora of North America, ''Iva hayesiana'' A. Gray, 1876. ]
/ref>
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
Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that ...
in fire-resistant landscaping in Southern California
Southern California (commonly shortened to SoCal) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban a ...
.
Fire, plants, defensible space and you.
' County of San Diego, Department of Planning and Land Use. 2004.
References
External links
*
Jepson Manual TreatmentUnited States Department of Agriculture Plants ProfilePhoto gallery
hayesiana
Flora of Baja California
Flora of California
Natural history of the California chaparral and woodlands
Natural history of San Diego County, California
Plants described in 1876
{{Heliantheae-stub