About Calystegia occidentalis (A.Gray) Brummitt
Calystegia occidentalis is a woody perennial herb that grows spreading, twisting, or climbing branches, which are usually quite hairy in texture. Its small leaves grow up to 4 centimeters long, and are lobed into various spade or arrowhead shapes. Its inflorescence holds one to four flowers on a single peduncle; each individual bloom is 2 to 5 centimeters wide, and ranges in color from white to cream to yellow.