Knowra Tsuga Tsuga Tsuga is a genus of evergreen coniferous trees in the pine family, native to North America and East Asia. Its species are commonly called hemlocks and have short, flattened needles.
Pinaceae : Pinaceae is the pine family, a group of conifers that includes pines, firs, spruces, and hemlocks. Tsuga belongs to this family alongside familiar evergreen genera.
Eastern hemlock : Eastern hemlock is a large Tsuga species native to eastern North America. It is the genus’s best-known eastern North American representative.
Hemlock woolly adelgid : Hemlock woolly adelgid is an invasive sap-feeding insect that attacks hemlocks in eastern North America. Its spread has caused widespread decline in eastern hemlock populations.
Poison hemlock : Poison hemlock is a poisonous flowering plant in the carrot family, unrelated to Tsuga trees. The shared common name can obscure the difference between a tree genus and a toxic herb.
Conifer : A conifer is a woody seed plant that typically bears seeds in cones and retains needle-like or scale-like leaves. Hemlocks are conifers, but their foliage and cones distinguish them within this broad group.
Western hemlock : Western hemlock is a tall Tsuga species native to the Pacific coast of North America. Its coastal range and exceptional height illustrate the genus’s western North American branch.
Hemlock forest : A hemlock forest is a woodland in which hemlock trees are prominent or dominant. Tsuga species can create cool, shaded forest habitats with distinctive understories.
Water hemlock : Water hemlock is a highly poisonous genus of flowering plants in the carrot family. Like poison hemlock, it shares a name with Tsuga but is not a conifer.
Needle : A needle is a narrow, usually evergreen leaf characteristic of many conifers. Tsuga needles are short and flattened, with two pale bands beneath.
Mountain hemlock : Mountain hemlock is a Tsuga species native to western North American mountain regions. Its high-elevation habitat contrasts with the coastal forests of western hemlock.
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