Verbena hastata: Difference between revisions
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This [[species]] is a member of the [[diploid]] North American vervains which have 14 [[chromosomes]] altogether. [[Hybrid (biology)|Hybrid]]ization seems to have played some role in its [[evolution]], presumably between some member of a group including the [[White Vervain]] (''V. urticifolia''), ''[[Verbena lasiostachys|V. lasiostachys]]'' or ''[[Verbena menthifolia|V. menthifolia]]'', and ''[[Verbena orcuttiana|V. orcuttiana]]'' or a related species. |
This [[species]] is a member of the [[diploid]] North American vervains which have 14 [[chromosomes]] altogether. [[Hybrid (biology)|Hybrid]]ization seems to have played some role in its [[evolution]], presumably between some member of a group including the [[White Vervain]] (''V. urticifolia''), ''[[Verbena lasiostachys|V. lasiostachys]]'' or ''[[Verbena menthifolia|V. menthifolia]]'', and ''[[Verbena orcuttiana|V. orcuttiana]]'' or a related species. |
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In the recent [[evolution]]ary past, there has been an incident of [[chloroplast]] transfer of one of the latter or the Swamp Verbena to the [[mock vervain]] ''[[Glandularia bipinnatifida]]'' which is a close relative of the [[genus]] ''[[Verbena]]''. It is unknown by what mechanism this happened, but it is suspected that hybridization is not responsible.<ref>Yuan & Olmstead (2008)</ref> |
In the recent [[evolution]]ary past, there has been an incident of [[chloroplast]] transfer of one of the latter or the Swamp Verbena to the [[mock vervain]] ''[[Glandularia bipinnatifida]]'' which is a close relative of the [[genus]] ''[[Verbena]]''. It is unknown by what mechanism this happened, but it is suspected that hybridization is not responsible.<ref>Yuan & Olmstead (2008)</ref> |
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==Food Uses== |
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'''''Verbena hastata''''' ('''[http://www.coastalherbs.com/?p=257 Blue Vervain]''' or '''Swamp Verbena''') has been used throughout the centuries in herbal medicine. The Native American Indians used Blue Vervain in tea to soothe female anxiety and menstrual problems. In addition they employed it for colds, fevers, lung and bowel complaints (the Cherokees utilized it as a remedy for dysentery and diarrhea), and many of these uses are still applied in modern applications. |
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==Footnotes== |
==Footnotes== |
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Revision as of 02:58, 13 February 2011
- "Blue Vervain" redirects here. This name is also used for Common Vervain (V. officinalis).
| Verbena hastata | |
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| Scientific classification | |
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| Species: | V. hastata
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| Binomial name | |
| Verbena hastata L.
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Verbena hastata (Blue Vervain or Swamp Verbena) is a flowering plant in the vervain family, Verbenaceae. It is a herb with opposite, simple leaves which have double-serate margins, borne on stiffly erect, branching square stems. The flowers appear in summer and are purple. This is a common plant that occurs across North America.
This species is a member of the diploid North American vervains which have 14 chromosomes altogether. Hybridization seems to have played some role in its evolution, presumably between some member of a group including the White Vervain (V. urticifolia), V. lasiostachys or V. menthifolia, and V. orcuttiana or a related species. In the recent evolutionary past, there has been an incident of chloroplast transfer of one of the latter or the Swamp Verbena to the mock vervain Glandularia bipinnatifida which is a close relative of the genus Verbena. It is unknown by what mechanism this happened, but it is suspected that hybridization is not responsible.[1]
Food Uses
Verbena hastata (Blue Vervain or Swamp Verbena) has been used throughout the centuries in herbal medicine. The Native American Indians used Blue Vervain in tea to soothe female anxiety and menstrual problems. In addition they employed it for colds, fevers, lung and bowel complaints (the Cherokees utilized it as a remedy for dysentery and diarrhea), and many of these uses are still applied in modern applications.
Footnotes
- ^ Yuan & Olmstead (2008)
References
- Yuan, Yao-Wu & Olmstead, Richard G. (2008): A species-level phylogenetic study of the Verbena complex (Verbenaceae) indicates two independent intergeneric chloroplast transfers. Mol. Phylogenet. Evol. 48(1): 23-33. doi:10.1016/j.ympev.2008.04.004 (HTML abstract)
External links
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