Mast (botany) Mast seeding is defined as the highly variable production of fruit by a population. These intermittent pulses of food resources drive ecosystem-level functions and forest dynamics. The difference between a mast seeding year and a non-mast seeding year can be thousands of acorns, hickory nuts, beech nuts, etc. Mast seeding dominantly occurs in wind-pollinated tree species, but has also been observed in grasses and Dipterocarps. Masting, in the strict sense of the term, occurs only in monocarpic (or semelparous) species, whose members reproduce only once during their lifetime, then die. Hypothesis for the evolution of mast seeding can broadly be
Weeping beech Weeping beech The weeping beech, "Fagus sylvatica" 'Pendula', is a cultivar of the deciduous European beech. The weeping beech is characterized by its shape with sweeping, pendulous branches. The trunk of the tree may not be visible from a distance due to the presence of the covering "weeping" branches. Branches may reach the ground and start new roots again. Smaller than the common beech, the tree can reach a height of up to and tends to be wider than high. Leaves of the weeping beech are broad, flat, simple and not lobed. They have smooth margins and alternate. They typically