Brickellia
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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]
Classification
The genera Brickelliastrum (United States and Mexico), Asanthus (United States and Mexico), Dyscritogyne (Mexico), and Steviopsis have been separated from Brickellia by many 20th century authors (and all four combined into Steviopsis by some). Their correct placement is still debated,[6] but molecular phylogenetic analysis has provided evidence that Brickelliastrum, Asanthus, and Steviopsis (including Dyscritogyne, which is not distinct from Steviopsis) represent distinct lineages, and should be recognized as separate from Brickellia, while [Kuhnia], [Barroetea] and [Phanerostylis] should be treated as synonyms.[7][8]
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References
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- ^ Tropicos search for Brickellia
- ^ a b c Page Module:Citation/CS1/styles.css has no content."Brickellia". Flora of North America.
- ^ Brickellia. The Jepson eFlora 2013.
- ^ Page Module:Citation/CS1/styles.css has no content.Schmidt, G. J.; Schilling, E. E. (2000). "Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data" (PDF). Am. J. Bot. 87 (5): 716–26. doi:10.2307/2656858. PMID 10811796.
- ^ Page Module:Citation/CS1/styles.css has no content.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. doi:10.1021/np060180b. PMID 16933870.
- ^ Page Module:Citation/CS1/styles.css has no content."Brickelliastrum". Flora of North America.
- ^ Page Module:Citation/CS1/styles.css has no content.Schilling, E. E.; et al. (2013). "Relationships of Asanthus (Asteraceae, Eupatorieae)" (PDF). Systematic Botany. 38 (1): 253–58.
- ^ Schilling, E. E., et al. (2015). Bricklebush (Brickellia) phylogeny reveals dimensions of the great Asteraceae radiation in Mexico. Molecular Phylogenetics and Evolution. Volume 85, Pages 161–170. [1]
- ^ The Plant List search for Brickellia
- ^ Brickellia. ITIS.
- ^ Brickellia species records. Flora of North America.
- ^ GRIN Species Records of Brickellia. Script error: No such module "webarchive". Germplasm Resources Information Network (GRIN).
- ^ a b Turner, B. L. (2010). Two new species of Brickellia (Asteraceae: Eupatorieae) from Oaxaca, Mexico. Script error: No such module "webarchive". Phytologia 92:1 15.
External links
Page Template:Sister-inline/styles.css has no content.Script error: No such module "Sister project logo". Media related to Script error: No such module "Commons link". at Wikimedia Commons
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