Lycium genus --- nightshade family

water jacket (Lycium andersonii) -- in April -- Big Bend Ranch State Park, TX   blue & purple    

matrimony vine (Lycium barbarum) -- in May -- Puente Verde Natural Area, Fort Collins, Colorado

pale wolfberry (Lycium pallidum var. pallidum) -- in May -- Canyons of the Ancients National Monument, CO   white & cream 

Torrey wolfberry (Lycium torreyi) -- in March -- southern Utah    red & pink