Juglans mandshurica Juglans mandshurica Juglans mandshurica, the Manchurian walnut, is a deciduous tree of the genus "Juglans" (section "Cardiocaryon"), native to the Eastern Asiatic Region (China, Russian Far East, North Korea and South Korea). It grows to about 25 m. The leaves are alternate, 40–90 cm long, odd-pinnate, with 7–19 leaflets, 6–17 cm long and 2–7.5 cm broad (margin serrate or serrulate, apex acuminate). The male flowers are in drooping catkins 9–40 cm long, the wind-pollinated female flowers (April–May) are terminal, in spikes of 4 to 10, ripening in August–October into nuts, 3-7.5 × 3–5 cm, with densely glandular pubescent green husk
Four-sided die Four-sided die Four-sided dice, abbreviated d4, are often used in tabletop role-playing games to obtain random integers in the range 1–4. Two forms exist of this die: a tetrahedron (pyramid shape) with four equilateral triangle-shaped faces, and an elongated long die with four faces. The former type does not roll well and is thus usually thrown into the air or shaken in a box. Four-sided dice were among the gambling and divination tools used by early man who carved them from nuts, wood, stone, ivory and bone. Six-sided dice were invented later but four-sided dice continued to be popular in