Trifolium depauperatum is a species of clover known by the common names cowbag clover, poverty clover, and balloon sack clover. Distribution The plant is native to western North America from British Columbia to California, as well as to western South America in Peru and Chile. It is a common plant of many types of habitat, including coastal prairie and mixed evergreen forest. Description Trifolium depauperatum is a small annual herb growing upright or decumbent in form. The leaves are made up of oval leaflets up to 2 centimeters long which are smooth, toothed, lobed, or blunt-tipped. The inflorescence is a head of flowers up to 1.5 centimeters long. The flower has a pinkish purple white-tipped corolla up to a centimeter long. It becomes inflated as the fruit developed. Subspecies Trifolium depauperatum has several varieties, which can include: Trifolium depauperatum var. amplectens — Balloon sack clover, Pale bladder clover. Trifolium depauperatum var. depauperatum — Cowbag clover. Trifolium depauperatum var. hydrophilum Trifolium depauperatum var. truncatum — Dwarf sack clover. References External links Calflora Database: Trifolium depauperatum (Cowbag clover, Dwarf sack clover, Pale sack clover) Jepson Manual eFlora (TJM2) treatment of Trifolium depauperatum UC CalPhotos gallery: Trifolium depauperatum depauperatum Flora of California Flora of Baja California Flora of British Columbia Flora of Chile Flora of Oregon Flora of Peru Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Central Valley (California) Natural history of the Channel Islands of California Flora without expected TNC conservation status