Lowland flooded savanna and woodland geocomplex. 1. Andean distal piedmont: alluvial fans and glacis: Evergreen seasonal degraded/successional forest Spondias mombim-Attalea butyracea communities with Copaifera pubiflora. 2. Alluvial polycyclic floodplain vegetation mosaic: 2a- Evergreen seasonally ponded forest: Ocotea cernua-Vitex orinocensis communities. Semi-upland low flat elevations, levees (“bancos”) with shallow phreatic levels; 2b- Evergreen flooded forest: Ceiba pentandra-Luehea seemanii communities with, Brosimum lactescens, Genipa americana, Pseudolmedia laevigata, Virola surinamensis, Vochysia ferruginea. Alluvial white-water flood plain; 2c- Seasonally flooded riparian woodland: Coccoloba ovata-Piranhea trifoliata and Symmeria paniculata-Leptobalanus apetalus (riparian) communities. Clear and black water flood-plain savanna stream (lotic); 2d- Coccoloba mollis-Tessaria integrifolia communities. Riparian white-water successional woodland; 2e- Tall herbaceous-flooded savanna: Hymenachne amplexicaulis-Paspalum repens communities. Ancient white-water alluvial floodplain depressions with seasonally flooded soils (“bajíos”); 2f- Swamps and lagoons aquatic vegetation (“esteros”); 2g- Evergreen woodland and shrublans (“zurales”): Garcinia madruno-Jacaranda obtusifolia communities, with Swartzia pittieri. Floodplain vertisols with gilgai microrelief.3- Old alluvial flood plain with eolic sandy-loessic coberture: 3a. Evergreen seasonal woodlands and low forest: Protium guianensis-Caraipa llanorum communities with Attalea maripa, Eschweilera parvifolia. Well to medium drained lateritic soils of old alluvial plain with sandy-loess coberture and often sallows phreatic levels; 3b- Successional pyrophytic-oligotrophic open woodland-savanna: Byrsonima crassifolia-Curatella americana communities; 3c- Oligotrophic herbaceous savanna: Axonopus purpusi – Paspalum pectinatum and Trachypogon plumosus-Schyzachirium sanguineum communities, with Thrasya petrosa, Trachypogon vestitus. Pisolitic-lateritic medium-well drained soils, with eolic sandy or loessic cover; 3d. Seasonally flooded oligotrophic open herbaceous savanna: Schizachyrium brevifolium-Trachypogon spicatus communities with Andropogon leucostachyus, Rhynchospora corymbosa, Rhynchanthera bracteata, Sacciolepis angustissima, Sorghastrum setosum. 4. Depressional swamp-palm forest: Xylopia calophylla-Mauritia flexuosa communities. Stagnic dystrophic black waters with thic acid humus bottom layers. Graphic geobotanical interpretation based on cited references, and Google Earth images.