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 hindsii ("Quercus" spp.) and Fremont cottonwood ("Populus fremontii") trees. "Juglans hindsii" has only one confirmed native stand remaining. It is listed as Seriously Endangered on the California Native Plant Society Rare Plant Inventory. The IUCN classification is a Vulnerable species. It is threatened by hybridization with orchard trees, urbanization, and habitat conversion to agriculture. "Juglans hindsii" is a medium-sized tree of short bulky proportions. It grows up to tall, has a single erect trunk, commonly without branches for , and a crown that can be wider than the tree is tall. Trunks commonly reach in diameter near the base of the