Caryophyllaceae | plant family | Britannica- xà phòng zeno vera ,Caryophyllaceae, the pink, or carnation, family of flowering plants (order Caryophyllales), comprising some 86 genera and 2,200 species of herbaceous annuals and perennials, mainly of north temperate distribution.The members are diverse in appearance and habitat; most of them have swollen leaf and stem joints. They have five sepals and five petals, but it is thought that the latter are in ...