Content: hyoscyamine; anabasin.
Region: coastal region of southwest Australia.
Habitat: deep sand on the edge of salt lakes.
Botany: intertwined branched shrub, up to 2 m high; branches are leafless except for the young shoots, twigs prickly, felty, hairy with tree-like branched trichomes; leaves narrow, elliptic to linear, ridged, to 1 cm long and ± 1 mm wide, leaf margin is slightly rolled upwards; flowers hermaphroditic, in cymose inflorescences in axils, calyx small, five fine tips, corolla 4 mm long, narrowly tubular, five ovate to broadly ovate, short and broad corolla tips; stamens 4 or 5, in two different forms, the fifth sterile, anthers consist of only one theca; fruits egg-shaped capsules, open septum-gap-like, 2 compartments divided into 2 parts, 2 to 4 seeds; chromosome number 9.