A ridge of wood that develops in the angle between a lateral root and the base of a tree stem to provide lateral stability to the stem. Buttresses develop on many tree species in lowland evergreen rain forest, but occur less commonly in lower montane rain forest and semi-evergreen rain forest; they are comparatively rare in wet deciduous forest.

Ridge of wood that develops in the angle between a lateral root and the butt of a tree, which may extend up the stem to a considerable height.

a root flaring out from the trunk to form a flangelike base

Also known as root-flare, it's the area of a tree trunk where the roots meet the soil surface; usually styled to convey strength.

Broadened bottom of a tree trunk that helps to stabilize a tree growing in wet soil or water. coniferous- Any tree or shrub that has cones (pine trees). deciduous- Any plant that sheds its leaves annually.