Video of capsules opening:
[wpvideo hAi7j52l]
Scientific classification
Kingdom:Plantae
(unranked):Angiosperms
(unranked):Eudicots
(unranked):Core eudicots
Order:Caryophyllales
Family:Aizoaceae
Subfamily:Ruschioideae
Tribe:Ruschiae
Genus:Lithops
Species: L. gesinae
Open seed capsules
Origin: 70 km N of Aus, Namibia
From my collection
via Flickr https://flic.kr/p/TCMrrW