SRK570
Common in field; white blooms; 10 cm tall.
Tandy Hills; grassy mowed field with shallow soil.
Collected with Bob O'Kennon and Kim Taylor.
This is from the only known population in Texas. In 2019 only ten plants were present. Three or four bloomed. TXDOT or a contractor had dumped tar over the area which later had been covered up with sand. Note the dimorphic leaves.