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Malacothrix is a genus of plants in the tribe Cichorieae within the family Asteraceae.[2][3] They are known generally as desert dandelions or desertdandelions. Most are native to western North America although a few have been introduced to South America. Several are found only on offshore islands in the Pacific.[4]

Malacothrix
Malacothrix saxatilis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Cichorioideae
Tribe: Cichorieae
Subtribe: Microseridinae
Genus: Malacothrix
DC.
Synonyms[1]
  • Leucoseris Nutt.
  • Malacomeris Nutt.
  • Malacolepis A.Heller

Phylogenetic analysis demonstrates that Malacothrix is not monophyletic. Some of its species are related to Atrichoseris, whereas a second group is more closely related to Anisocoma and Calycoseris.[5]

Species[1]
  1. Malacothrix californica - California desertdandelion - CA Baja California, Baja California Sur
  2. Malacothrix clevelandii - Cleveland's desertdandelion - CA AZ UT Baja California
  3. Malacothrix coulteri - snake's head - CA NV AZ UT NM Baja California
  4. Malacothrix fendleri - Fendler's desertdandelion - AZ NM TX Sonora
  5. Malacothrix floccifera - woolly desertdandelion - CA NV
  6. Malacothrix foliosa - leafy desertdandelion - San Clemente Island
  7. Malacothrix glabrata - smooth desertdandelion - CA NV AZ NM ID OR Baja California, Baja California Sur
  8. Malacothrix incana - dunedelion - CA
  9. Malacothrix indecora - Santa Cruz Island desert-dandelion - Santa Cruz Island
  10. Malacothrix insularis - island desertdandelion - Coronados Island in Baja California
  11. Malacothrix junakii - Junak's desertdandelion - Anacapa Island
  12. Malacothrix phaeocarpa - Davis' desertdandelion - CA
  13. Malacothrix saxatilis - cliff desertdandelion - CA
  14. Malacothrix similis - twin desertdandelion - CA Baja California
  15. Malacothrix sonchoides - sowthistle desertdandelion - OR ID WY CO NM AZ UT NV CA
  16. Malacothrix sonorae - Sonoran desertdandelion - Sonora AZ NM TX
  17. Malacothrix squalida - Santa Cruz desertdandelion - Santa Cruz Island
  18. Malacothrix stebbinsii - Stebbins' desertdandelion - OR CA NV AZ NM UT Sonora
  19. Malacothrix torreyi - Torrey's desertdandelion - CA NV AZ NM UT CO WY ID MT OR
  20. Malacothrix xanthi - Baja California, Baja California Sur

References


  1. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-12-18 at archive.today
  2. Candolle, Augustin Pyramus de. 1838. Prodromus Systematis Naturalis Regni Vegetabilis 7(1): 192
  3. Tropicos, Malacothrix DC.
  4. Malacothrix. Flora of North America.
  5. Lee, J., et al. (2003). Phylogenetic relationships among the primarily North American genera of Cichorieae (Compositae) based on analysis of 18S-26S nuclear rDNA ITS and ETS sequences. Systematic Botany 28(3), 616-26. JSTOR 25063901



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На других языках

- [en] Malacothrix (plant)

[es] Malacothrix

Malacothrix es un género de plantas con flores perteneciente a la familia Asteraceae. Es originario de Norteamérica. La mayoría se encuentran en América del Norte y algunos se han introducido a América del Sur.[2] Tienen algunas flores en forma de campana o como margaritas, por lo general en tonos amarillos.

[it] Malacothrix (botanica)

Malacothrix DC., 1838 è un genere di piante angiosperme dicotiledoni della famiglia delle Asteraceae.[1][2]


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