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There are numerous folkloric Russian songs in which the birch tree occurs. The Ornäs birch is the national tree of Sweden. The Czech word for the month of March, Březen, is derived from the Czech word bříza meaning birch, as birch trees flower in March under local conditions. The silver birch tree is of special importance to the Swedish ...
Betula pubescens - White birch, European white birch or downy birch Betula pubescens subsp. tortuosa - Arctic white birch; Pentaploid (5n = 70). Betula kenaica - Kenai birch; Hexaploid (6n = 84). Betula papyrifera - Paper birch, canoe birch or American white birch (sometimes tetraploid or pentaploid)
Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and west to Texas. It is one of the few heat-tolerant birches in a family of mostly cold-weather trees which do not thrive in USDA Zone 6 and up.
The silver birch is a hardy tree, a pioneer species, and one of the first trees to appear on bare or fire-swept land. Many species of birds and animals are found in birch woodland, the tree supports a wide range of insects and the light shade it casts allows shrubby and other plants to grow beneath its canopy. It is planted decoratively in ...
Betulaceae flowers are monoecious, meaning that they have both male and female flowers on the same tree. Their flowers present as catkins and are small and inconspicuous, often with reduced perianth parts. These flowers have large feathery stamen and produce a high volume of pollen, as they rely on wind pollination.
Betula alleghaniensis, the yellow birch, [2] golden birch, [3] or swamp birch, [4] is a large tree and an important lumber species of birch native to northeastern North America. Its vernacular names refer to the golden color of the tree's bark. [5] In the past its scientific name was Betula lutea, the yellow birch.
The tree is a pioneer species that is commonly found in sites following disturbance, such as fire or logging. [2] Gray birches don't have as much economic value as other birch species but are still commonly used as ornamental trees. [3]
Betula occidentalis, the water birch or red birch, is a species of birch native to western North America, in Canada from Yukon east to Northwestern Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, [citation needed] and south to eastern California, northern Arizona and northern New Mexico, and southwestern Alaska.