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The black locust is commonly referred to as "false acacia" after its species name "pseudoacacia", although it is not particularly closely related to the acacia, which belongs to the mimosa subfamily (Mimosoideae). Both species are similar in the form of their feathered leaves and thorns, but the flower shapes are very different.
The accepted name for black willow is: Salix nigra Marshall. Marshall , the "Father of American Dendrology ", [ 9 ] first described this taxon in 1785. Salix gooddingii (Goodding's willow) is sometimes considered a variety of S. nigra as S. nigra var. vallicola Dudley; when recognized, this extends the range of S. nigra to western North America.
Acer nigrum, the black maple, is a species of maple closely related to A. saccharum (sugar maple), and treated by some authors as a subspecies of it, as Acer saccharum subsp. nigrum. [ 2 ] [ 3 ] Identification can be confusing due to the tendency of the two species to form hybrids .
Avicennia germinans, the black mangrove, [3] is a shrub or small tree growing up to 12 meters (39 feet) in the acanthus family, Acanthaceae.It grows in tropical and subtropical regions of the Americas, on both the Atlantic and Pacific Coasts, and on the Atlantic Coast of tropical Africa, where it thrives on the sandy and muddy shores where seawater reaches.
Common names include elder, elderberry, black elder, European elder, European elderberry, and European black elderberry. [2] [3] It grows in a variety of conditions including both wet and dry fertile soils, primarily in sunny locations. The plant is widely grown as an ornamental shrub or small tree.
Betula nigra is a deciduous tree growing to 25–30 meters (80–100 ft) with a trunk 50 to 150 centimeters (20 to 60 in) in diameter. The base of the tree is often divided into multiple slender trunks. [2] [3] Bark. Bark characteristics of the river birch differ during its youth stage, maturation, and old growth.
Image of black ash trunk. Tree is located in a seasonally wet, riparian habitat near a small-scale stream. Tree bark is corky and spongy. Black ash is a medium-sized deciduous tree reaching 15–20 metres (49–66 ft) (exceptionally 26 metres (85 ft)) tall with a trunk up to 60 cm (24 inches) diameter, or exceptionally to 160 cm (63 inches).
Picea mariana, the black spruce, is a North American species of spruce tree in the pine family. It is widespread across Canada, found in all 10 provinces and all 3 territories . It is the official tree of Newfoundland and Labrador and is that province's most abundant tree.