Liatris

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Liatris
Liatris spicata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Eupatorieae
Genus: Liatris
Gaertn. ex Schreb.
Species

About 37, see text

Liatris (/lˈætrɨs/;[1] is a genus of flowering plants in the family Asteraceae native to North America, including Mexico and the Bahamas.[2] Common names include blazing star and gayfeather.[2][3] Some species are used as ornamental plants, sometimes in flower bouquets.

They are perennials, surviving the winter in the form of corms.[2]

Liatris species are used as food plants by the larvae of some Lepidoptera species including the flower moths Schinia gloriosa and Schinia sanguinea, both of which feed exclusively on the genus, and 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 Trilisa, Carphephorus, and other genera.[4] Liatris is closely related to Garberia, a genus with only one species endemic to Florida. The two genera can be distinguished by the shrub form of the latter and by karyotype.[5]

Species

There are 37 species of Liatris.[2]

Species include:[2][3][6]

  • Liatris acidota sharp blazing star, Gulf Coast gayfeather
  • Liatris aestivalis summer gayfeather
  • Liatris aspera rough gayfeather, tall blazing star
  • Liatris bracteata bracted blazing star
  • Liatris chapmanii Chapman's blazing star
  • Liatris cokeri Coker's gayfeather
  • Liatris compacta scaly blazing star
  • Liatris cylindracea Ontario blazing star, fewhead blazing star
  • Liatris cymosa branched blazing star
  • Liatris elegans pinkscale blazing star, elegant gayfeather
  • Liatris elegantula shaggy blazing star
  • Liatris garberi Garber's blazing star
  • Liatris gholsonii Gholson's blazing star
  • Liatris glandulosa glandular blazing star
  • Liatris gracilis slender blazing star
  • Liatris helleri Heller's blazing star, turgid blazing star
  • Liatris hirsuta hairy gayfeather
  • Liatris laevigata shortleaf blazingstar
  • Liatris lancifolia lanceleaf blazingstar
  • Liatris ligulistylis Rocky Mountain blazing star, Northern Plains gayfeather, strap-style gayfeather
  • Liatris microcephala small-head gayfeather
  • Liatris ohlingerae Florida blazing star, scrub blazing star
  • Liatris oligocephala Cahaba torch
  • Liatris patens spreading blazing star, Georgia gayfeather
  • Liatris pauciflora fewflower blazing star
  • Liatris pilosa grass-leaf gayfeather, shaggy blazing star
  • Liatris provincialis Godfrey's blazing star
  • Liatris punctata dotted blazing star, plains gayfeather
  • Liatris pycnostachya prairie blazing star, button snakeroot, cattail gayfeather, thickspike gayfeather, Kansas gayfeather
  • Liatris savannensis savanna blazing star
  • Liatris scariosa northern gayfeather, devil's bite
    • L. scariosa var. nieuwlandii Nieuwland's blazing star
    • L. scariosa var. novae-angliae New England blazing star
    • L. scariosa var. scariosa Virginia blazing star
  • Liatris spicata dense blazing star, button snakewort, florist gayfeather, marsh blazingstar, prairie-pine
  • Liatris squarrosa loosescale gayfeather, colicroot, scaly blazing star
  • Liatris squarrulosa southern gayfeather, Appalachian blazing star
  • Liatris tenuifolia pine-needle gayfeather, shortleaf gayfeather
  • Liatris tenuis gulf blazing star, Shinners' gayfeather
  • Liatris virgata wand blazing star, King's Mountain gayfeather, piedmont gayfeather

References

  1. Sunset Western Garden Book. 1995. 606–07.
  2. 2.0 2.1 2.2 2.3 2.4 "Liatris Gaertner ex Schreber". Flora of North America. 
  3. 3.0 3.1 Liatris. Integrated Taxonomic Information system.
  4. Schmidt, G. J. and E. E. Schilling (2000). "Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data". American Journal of Botany (Botanical Society of America) 87 (5): 716–726. doi:10.2307/2656858. JSTOR 2656858. PMID 10811796. 
  5. "Garberia A.Gray". Flora of North America. 
  6. GRIN Species Records of Liatris. GRIN.
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