Calystegia collina is a non-twining perennial herb native to California. It thrives on dry, rocky slopes, chaparral, and serpentine soils, bearing white to pinkish,.
Above information is sourced from Wikipedia
© randomtruth (CC-BY-NC-SA)
© (c) Rajan Rao, some rights reserved (CC BY)
© Jennifer Wheeler − EOL
© no rights reserved
© (c) Nina House, some rights reserved (CC BY)