sentences:  "Manicaria saccifera" is an obligate swamp species, and as most other palms, it thrives in the wet, humid conditions of tropical lowland forests.Myers (1981) states "In the humid environments of the neo-tropics there is an increase in the abundance of understory palms" (24).Further to this, lowland forests generally have a higher density of palms than upland forests, and palms thrive better in poorly drained, wet soils than dry or well-drained soils.