Artemisia palmeri is a rare species of sagebrush known by the common names San Diego sagewort and Palmer sagewort.

Distribution and habitat The plant is native to northwestern Baja California and southwestern California, primarily in San Diego County.Plants Of Jack's Pond, A Checklist Of Trees, Shrubs and Herbaceous Species Compiled During May 2000 by Wayne P. Armstrong, Life Sciences Dept., Palomar College

Its natural habitat is sandy coastal ravines in the coastal sage scrub plant community and riparian riverbeds in the Cuyamaca Mountains and other Peninsular Ranges, below in elevation.iNaturalist: San diego sagewort (Artemisia palmeri) Most of this habitat has been destroyed as the land has been developed for human uses. It is occasionally found farther inland in chaparral plant communities near Redlands and in the San Emigdio Mountains.

It is listed on the California Native Plant Society Inventory of Rare and Endangered Plants as an endangered species, due to the threat of further habitat loss.CNPS Inventory of Rare and Endangered Plants, 8th edition: Artemisia palmeri, accessed 1.10.2016.

Description Artemisia palmeri is a perennial or biennial herb producing brittle erect or spreading stems tall. The base is woody.

The gray-green aromatic foliage is made up of long, narrow leaves deeply cut into several narrow, pointed lobes.

The inflorescence contains clusters of flower heads containing pale yellow glandular disc florets. It blooms generally from June to October.

The fruit is a tiny achene about a millimeter long.

References

External links Calflora Database: Artemisia palmeri (San diego sagewort) Jepson Manual eFlora (TJM2) treatment of Artemisia palmeri