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See text. About 30 known species. |
Liatris (common names: Blazing-star, Gay-feather or Button snakeroot) is a genus of ornamental plants in the Asteraceae family, native to North America, Mexico, and the Bahamas.1 These plants are used as a popular summer flowers for bouquets.
They are perennials, surviving the winter in the form of corms.1
Liatris species are used as food plants by the larvae of some Lepidoptera species including Schinia gloriosa, Schinia sanguinea (both of which feed exclusively on the genus), Schinia tertia and Schinia trifascia.
Classification
Liatris is in the tribe Eupatorieae of the aster family. Like other members of this tribe, the flower heads have disc florets and no ray florets. Liatris is in the subtribe Liatrinae along with, for example, Trilisa2 and Carphephorus.2 Liatris is closely related to Garberia from Florida, but can be distinguished because the latter is a shrub and has a different karyotype.3
Species
There are 37 species of Liatris.1 A partial list is:
- Liatris acidota
- Liatris aspera - rough gayfeather
- Liatris cylindracea - Ontario blazing star
- Liatris elegans - pinkscale blazing star
- Liatris graminifolia- grass-leafed blazing star
- Liatris ligulistylis - meadow blazing star
- Liatris microcephala - dwarf gayfeather
- Liatris odoratissima - deerstongue
- Liatris oligocephala
- Liatris provincialis
- Liatris punctata - dotted blazing star
- Liatris pycnostachya - prairie blazing star
- Liatris spicata -dense blazing star
- Liatris squarrosa- Earl's blazing star
- Liatris squarrulosa - southern blazing star
- Liatris regenerata Seaton rising star
- Liatris tenuifolia Florida blazing star
References
- ^ a b c "Liatris Gaertner ex Schreber". Flora of North America.
- ^ a b Gregory J. Schmidt and Edward E. Schilling (2000). "Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data". American Journal of Botany 87: 716–726. doi:. PMID 10811796. http://www.amjbot.org/cgi/content/full/87/5/716.
- ^ "Garberia A. Gray". Flora of North America.
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Wikipedia content modification information:
- This page was last modified on 4 January 2009, at 23:42.
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