Juglans microcarpa var. "stewartii". Where the range of "J. microcarpa" overlaps with "J. major", the two species interbreed, producing populations with intermediate characteristics. This phenomenon has also been found where "J. microcarpa" trees grows near "J. nigra trees. "Juglans" (literally "Jupiter's acorn") is the Latin name of the walnut. "Microcarpa" means "having small fruit". Juglans microcarpa Juglans microcarpa, known also as the little walnut, Texas walnut, Texas black walnut or little black walnut (as it belongs to the "black walnuts" section "Juglans" sect. "Rhysocaryon"), is a large shrub or small tree (10–30 ft tall) which grows wild along streams and ravines in
Fruit contrast, rhubarb is often referred to as a fruit, because it is used to make sweet desserts such as pies, though only the petiole (leaf stalk) of the rhubarb plant is edible, and edible gymnosperm seeds are often given fruit names, e.g., ginkgo nuts and pine nuts. Botanically, a cereal grain, such as corn, rice, or wheat, is also a kind of fruit, termed a caryopsis. However, the fruit wall is very thin and is fused to the seed coat, so almost all of the edible grain is actually a seed. The outer, often edible layer, is the "pericarp", formed