Tetragonia L.
Fls with calyx tube adnate to ovary, often produced, 3-5-lobed; petals 0; stamens 1-many. Ovary 2-8-celled; styles as many as cells. Fr. globose to turbinate, endocarp hard, mesocarp fleshy or not. Herbs or subshrubs with trailing to erect stems; lvs alt., ± succulent. About 25 spp. mostly of S. Africa.
