Ambrosia chenopodiifolia is a species of ragweed known by the common names San Diego bursage and San Diego bur ragweed.[2] It is native to the Mexican states of Baja California and Baja California Sur (Comondu Municipality),[3] as well as to Orange[4] and San Diego Counties it int US State of California.[5] It is a member of the coastal sage scrub plant community.
| Ambrosia chenopodiifolia | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Ambrosia |
| Species: | A. chenopodiifolia
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| Binomial name | |
| Ambrosia chenopodiifolia | |
| Synonyms[1] | |
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Description
editAmbrosia chenopodiifolia is a thickly branching shrub exceeding 3 meters in maximum height. The leaves are ovals up to 3 centimeters long and coated in white hairs. They are sometimes lobed.[5]
Like other ragweeds it is monoecious, with each inflorescence bearing heads of pistillate (female) flowers below a cluster of staminate (male) flowers. The inflorescence is spiny, especially when in fruit. The fruit is a spherical, woolly bur about half a centimeter long covered in hooked spines.[5]
Galls
editThis species is host to the following insect induced gall: Aceria franseriae bead leaf gall Mite.
References
edit- ^ The Plant List Ambrosia chenopodiifolia (Benth.) W.W.Payne
- ^ Ambrosia chenopodiifolia. NatureServe. 2012.
- ^ Payne, Willard William 1964. Journal of the Arnold Arboretum 45(4): 419
- ^ "Ambrosia chenopodiifolia Calflora". www.calflora.org. Retrieved 2024-05-28.
- ^ a b c "Ambrosia chenopodiifolia in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2024-05-28.
External links
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Media related to Ambrosia chenopodiifolia at Wikimedia Commons- Calflora Database: Ambrosia chenopodiifolia (San diego bur sage, San diego bursage)
- Jepson Manual eFlora (TJM2) treatment of Ambrosia chenopodiifolia
- Ambrosia chenopodiifolia UC Calphotos Photo gallery: Ambrosia chenopodiifolia
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