''Paysonia auriculata'', the earleaf bladderpod, is a plant species native to the south-central part of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. It is widespread in

Oklahoma Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...

, with isolated populations in Sumner County (

Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to the ...

) and from four counties in

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

( Upshur,

Austin Austin is the capital city of the U.S. state of Texas, as well as the seat and largest city of Travis County, with portions extending into Hays and Williamson counties. Incorporated on December 27, 1839, it is the 11th-most-populous city ...

Kaufman Kaufman or Kauffman may refer to: People *Kaufmann (surname) ''Includes Kaufman, Kauffman, Kauffmann'' Places * Kaufman, Illinois, an unincorporated community in Madison Count * Kaufman, Texas, a city in Kaufman County * Kaufman County, Texas, ...

and Navarro). It occurs in grasslands, prairies, disturbed areas, etc.Flora of North America v 7, p 612
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Description

''Paysonia auriculata'' is an annual herb up to 20 cm tall. Flowers are yellow, up to 12 mm across. Fruits are spherical, about 7 mm in diameter.O'Kane, Steve Lawrence & Al-Shehbaz, Ihsan Ali. 2002. Novon 12(3): 380.
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References

{{Taxonbar, from=Q15547860 auriculata Flora of Kansas Flora of Oklahoma Flora of Texas Endemic flora of the United States Flora without expected TNC conservation status