Brickellia Elliott 1823, conserved name not Raf. 1808 (Polemoniaceae)[1]
Species
About 100-110, see text
Brickellia is a North American genus of about 100[2] to 110[3] species of plants in the family Asteraceae, known commonly as brickellbushes. They are found in Canada, the United States, Mexico, and Central America.[2] Many species are native to the American southwest, especially Texas. Brickellia is among the more basal lineages of the Eupatorieae and should not be assigned to a subtribe pending further research.[4]
They are mostly woody perennial shrubs. Some species have a very strong pleasant scent, while others smell distasteful. All contain high amounts of essential oils. Germacrene D, a natural insecticide, is found in B. veronicifolia and probably other species, if not all.[5]
Despite their chemical defenses, brickellbushes are food for caterpillars of certain Lepidoptera. These include the noctuid moths Schinia trifascia, Schinia oleagina, which is known only from Brickellia, Schinia buta, which is only known from B. californica, and Schinia gracilenta, which is only known from B. eupatorioides.
The genus is named for John Brickell, 1748–1809, Irish-born physician and naturalist[2]
^Tropicos search for Brickellia
^ abc"Brickellia". Flora of North America.
^Brickellia. The Jepson eFlora 2013.
^Schmidt, G. J. and E. E. Schilling. (2000). Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data.[dead link]Am. J. Bot. 87(5), 716-26. doi:10.2307/2656858 PMID 10811796
^Rivero-Cruz, B., et al. (2006). Qualitative and quantitative analysis of the active components of the essential oil from Brickellia veronicaefolia by nuclear magnetic resonance spectroscopy. Journal of Natural Products 69(8), 1172-76. PMID 16933870
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