''Kallstroemia'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the caltrop family, Zygophyllaceae. The approximately 17 speciesJepson Manual Treatment
/ref> it contains are native to tropical and warm temperate regions of the

Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...

. The

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

and

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

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.

Selected species

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

Kallstroemia grandiflora ''Kallstroemia grandiflora'', the Arizona poppy, is a summer annual herb of the deserts of the Southwestern United States, California, and northern Mexico. ''Kallstroemia grandiflora'' has opposite, pinnately compound leaves. Large showy flowers ...

'' Torr. ex A.Gray – Arizona poppy *'' Kallstroemia hirsutissima '' Vail ex Small – Hairy caltrop *'' Kallstroemia maxima'' (L.) Hook. & Arn. – Big caltrop *'' Kallstroemia parviflora'' Norton – Warty caltrop *'' Kallstroemia perennans'' B.L. Turner – Perennial caltrop *''

Kallstroemia pubescens ''Kallstroemia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. The approximately 17 species it contains are native to tropical and warm temperate regions of the Americas. The flower and fruit morphology is similar to '' ...

'' (G.Don) Dandy – Caribbean caltrop

References

External links

* * Rosid genera Taxa named by Giovanni Antonio Scopoli {{rosid-stub

Selected species

References

Further reading

External links