Juglans venezuelensis Juglans venezuelensis Juglans venezuelensis, or "nogal de Caracas", is a species of black walnut endemic to Venezuela. It is a small tree which bears 1 inch nuts. This species is deciduous, with a period of leaf fall between November and December, and a period of regrowth of leaves between January and February. Flowering begins in late February. The species is monoecious, male flowers are hanging catkins and female ones are erect, both are small and greenish. The fruits are drupes with yellow epicarp and abundant pubescence. The fruit is about 3 inches diameter and 1.5 cm walnut, weighing 150 grams
Juglans olanchana Juglans olanchana Juglans olanchana is a semideciduous tree species in the Juglandaceae family. It can be found in Costa Rica, Guatemala, El Salvador, Honduras, Mexico and Nicaragua. It can grow up to 40 m in height and 1.5 m in diameter. The long branches bear twigs tipped with 40–50 cm long, glabrous, pinately compound leaves, darker on the top than on the bottom. The base of the trunk sometimes has buttresses. "Juglans olanchana" grows in wet and very wet tropical forests, most frequently on river banks, observed from 0–1400 m above sea level. Reports that it also grows in the