1) Caryophylloid dicot genus 2) Genus pleiospilos 
Pleiospilos species have two or four opposite, very fleshy, grey-green leaves growing from a short stem that may be underground. The leaves, with their hemispherical shape and pitted texture, often strongly resemble a pile of split pebbles to deter predators. Flowers emerge from the center of the leaves, and may be very big in relation to the over...
[n] - perennial succulents of South Africa
genus Pleiospilos noun perennial succulents of South Africa