Kallstroemia

Kallstroemia
Kallstroemia grandiflora
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Zygophyllales
Family: Zygophyllaceae
Subfamily: Tribuloideae
Genus:
Scop.
Species

See text

Synonyms[1][2]
  • Ehrenbergia Mart.
  • Heterozygis Bunge

Kallstroemia is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species[1] it contains are native to tropical and warm temperate regions of the Americas.[3] The flower and fruit morphology is similar to Tribulus. The convex fruits separate into about 10 nutlets each with one seed. The genus is named after A. Kallstroem who lived in the 18th century.

Species

20 species are accepted.[1]

  • Kallstroemia adscendens (Andersson) B.L.Rob.
  • Kallstroemia boliviana Standl.
  • Kallstroemia californica (S.Watson) Vail – California caltrop
  • Kallstroemia curta Rydb.
  • Kallstroemia grandiflora Torr. ex A.Gray – Arizona poppy
  • Kallstroemia hageri Rebman
  • Kallstroemia hintonii D.M.Porter
  • Kallstroemia hirsutissima Vail ex Small – Hairy caltrop
  • Kallstroemia incana Rydb.
  • Kallstroemia maxima (L.) Hook. & Arn. – Big caltrop
  • Kallstroemia parviflora Norton – Warty caltrop[4]
  • Kallstroemia peninsularis D.M.Porter
  • Kallstroemia pennellii D.M.Porter
  • Kallstroemia perennans B.L.Turner – Perennial caltrop
  • Kallstroemia porteri B.L.Turner
  • Kallstroemia pubescens (G.Don) Dandy – Caribbean caltrop[5]
  • Kallstroemia rosei Rydb.
  • Kallstroemia standleyi D.M.Porter
  • Kallstroemia tribuloides (Mart.) Steud.
  • Kallstroemia tucumanensis Descole, O'Donell & Lourteig

References

  1. ^ a b c "Kallstroemia Scop". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 May 2025.
  2. ^ "Genus: Kallstroemia Scop". Germplasm Resources Information Network. United States Department of Agriculture. 2004-06-18. Retrieved 2010-10-13.
  3. ^ Jepson Manual Treatment
  4. ^ "GRIN Species Records of Kallstroemia". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2010-10-13.
  5. ^ "Kallstroemia". Integrated Taxonomic Information System. Retrieved 2010-10-13.

Further reading

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