Tetramolopium rockii, a member of the aster family, is a glandular, hairy, prostrate shrub which forms complexly branching mats 5 to 10 cm (2 to 4 in) tall and 8 to 40 cm (3 to 16 in) in diameter. Leaves of variety calcisabulorum are 2 to 3 cm (0.8 to 1.2 in) long and 5 to 7 mm (0.2 to 0.3 in) wide...