Hemizonia is a genus of plants in the family Asteraceae. They are known generally as tarweeds, although some tarweeds belong to other genera, such as Madia and Deinandra. Furthermore, Hemizonia is currently being revised; some species may be segregated into new genera.

Hemizonia
Hemizonia congesta
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Madieae
Subtribe: Madiinae
Genus: Hemizonia
DC
Species

About 25, see text

Range

edit

The Hemizonia tarweeds are native to southwestern North America, especially California.

Description

edit

Hemizonia are usually sticky, aromatic, yellow-flowered annual plants which are hardy and competitive, especially in the dry Mediterranean climate of California.

Selected species

edit

References

edit
edit