This flowering is most spectacular in the coastal lomas communities, dominated by perennial and annual herbaceous plants belonging to the genera
Allionia (Nyctaginaceae), Argylia (Bignoniaceae), Caesalpinia (Leguminosae), Calandrinia and Portu-laca (both Portulacaceae), Cristaria (Malvaceae), Eragrostis (Poaceae), Leptoglossis (Solanaceae), and Nolana (Nolanaceae).