Baccharis
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Baccharis L. is a genus of perennials and shrubs in the family Asteraceae. Sometimes referred to as "brooms" because many members have small thin leaves, they are not at all related to the true brooms. The 250-400 species occur throughout the Americas.
If present, the leaves are borne along the stems in alternate fashion. Flowers are usually white or pinkish. There are no ray flowers, but many disk flowers (which are staminate) and pistillate flowers.
Baccharis species are used as food plants by the larvae of some Lepidoptera species including Phymatopus californicus and Phymatopus hectoides as well as Bucculatrix leaf-miners: B. dominatrix and B. seperabilis feed exclusively on Baccharis pilularis, B. ivella and B. variabilis are polyphagous species which have been recorded on Baccharis. The Coleophora case-bearers C. linosyridella and C. viscidiflorella are also polyphagous species which have been recorded on Baccharis pilularis.
Several species are of interest for cultivation, as the dense but flexible stem structure makes for a good windbreak.
The genus is named after Bacchus, the Latin god of wine.
Species
(This list is incomplete.)
- Baccharis dracunculifolia DC.
- Baccharis emoryi
- Baccharis linearis (Chilean romerillo)
- Baccharis pilularis (Coyote Brush)
- Baccharis rhomboidalis
- Baccharis sagittalis
- Baccharis salicifolia (mule-fat, seep willow)
- Baccharis sarothroides (broom baccharis)
- Baccharis sergiloides (desert baccharis)
- Baccharis sphaerocephala (Chilean radin)
- Baccharis trimera DC.
External links
- Pictures of [Baccharis rhomboidalis], [Baccharis sagittalis] and [Baccharis sphaerocephala] growing in Chile.
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