''Kallstroemia'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s in the

caltrop A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, jackrock or crow's foot''Battle of Alesia'' (Caesar's conquest of Gaul in 52 BC), Battlefield Detectives program, (2006), rebroadcast: 2008-09-08 on History C ...

family,

Zygophyllaceae Zygophyllaceae is a family of flowering plants that contains the bean-caper and caltrop. The family includes around 285 species in 22 genera. Plants in the family Zygophyllaceae may be trees, shrubs, or herbs. They are often found in dry habit ...

. The approximately 20 species it contains are native to tropical and warm temperate regions of the

Americas The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...

.Jepson Manual Treatment
/ref> The

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

and

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

morphology is similar to ''

Tribulus ''Tribulus'' is a genus of plants in the family Zygophyllaceae and found in diverse climates and soils worldwide from latitudes 35°S to 47°N. The best-known member is '' T. terrestris'' (puncture vine), a widespread invasive species and weed. ...

''. 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. *''

Kallstroemia adscendens ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia boliviana ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia californica ''Kallstroemia californica'' is a species of flowering plant in the Zygophyllaceae, caltrop family known by the common name California caltrop. It is native to the deserts of the Southwestern United States, California, and northern Mexico. Descr ...

'' (S.Watson) Vail – California caltrop *''

Kallstroemia curta ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia grandiflora ''Kallstroemia grandiflora'', the Arizona poppy, is a species of summer annual herb inhabiting the deserts of the Southwestern United States, California, and northern Mexico. It is not related to true poppies. ''Kallstroemia grandiflora'' has op ...

'' Torr. ex A.Gray – Arizona poppy *''

Kallstroemia hageri ''Kallstroemia'' is a genus of flowering plants in the Tribulus terrestris, caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morpholo ...

'' *''

Kallstroemia hintonii ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia hirsutissima ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' Vail ex Small – Hairy caltrop *''

Kallstroemia incana ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia maxima ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit In botany, a fruit is th ...

'' (L.) Hook. & Arn. – Big caltrop *''

Kallstroemia parviflora ''Kallstroemia parviflora'', also called small-flowered carpetweed or warty caltrop, is a species of flowering plant. It is found in the United States, and extends as far south as Central America. From east to west, it can be found from Illinois ...

'' Norton – Warty caltrop *''

Kallstroemia peninsularis ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia pennellii ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia perennans ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' B.L.Turner – Perennial caltrop *''

Kallstroemia porteri ''Kallstroemia'' is a genus of flowering plants in the Tribulus terrestris, caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morpholo ...

'' *'' Kallstroemia pubescens'' (G.Don) Dandy – Caribbean caltrop *''

Kallstroemia rosei ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia standleyi ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia tribuloides ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

'' *''

Kallstroemia tucumanensis ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 20 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to ''Tr ...

References

External links

* * Zygophyllales genera Flora of the Americas Taxa described in 1777 Taxa named by Giovanni Antonio Scopoli {{rosid-stub

Species

References

Further reading

External links