spergularia: chiefly maritime Eurasian herbs: sand spurry; sea spurry
caryophylloid dicot genus: genus of relatively early dicotyledonous plants including mostly flowers
zygophyllaceae: small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea