View photos of the edible plant, Physalis pumila (Dwarf groundcherry), profiled in the Wild Edible Series: Colorado, Kansas, Nebraska, Oklahoma, Texas, and Wyoming.

A passage from Wild Edible Plants of Colorado:

Usually ripening from late summer to fall, each fruit is encased in an inflated sac. Depending on species, the fruit are greenish–tan to yellowish–orange (occasionally darker) when ripe.

A passage from Wild Edible Plants of Texas:

In Texas, Ground cherry is common to most parts. Habitats are wide and variable for the plant: from shaded draws to open flats and hillsides, it is likely that some species is not far away.