Patterns of endemism in the limestone flora of South African lowland fynbos

afrique du sud arbuste arbustos biodiversidad biodiversity botanical composition composition botanique conservation de la nature endemism ericaceae fabaceae flora flore leguminosae lithological soil types lowland nature conservation plant habit polygalaceae port de la plante rutaceae sabanas savane seed dispersal shrubs sinecologia south africa species diversity sterculiaceae synecology tierras bajas type de sol lithologique vegetation woodlands