Jun 22, 2022 · The small dry fruit (nutlets) form in clusters on drooping catkins that turn brown upon maturity. The paper birch, being a monoecious tree, bears both male and female catkins. Similar to most other birch trees, the paper birch likes a moist environment, making it the perfect accompaniment to a stream or pond feature in your yard.

3 days ago · During the growing season, the tree produces slender, cylindrical catkins that function as flowers. These catkins later develop into small, winged seeds, which provide an important food source for various species of birds and small mammals, contributing to local ecosystems. ... Paper Birch (Betula papyrifera) is a resilient tree, but it is ...

Photos and information about Minnesota flora - Paper Birch: tree to 90 ft, chalky white peeling bark; leaves to 3½ inches long, double-toothed, egg-shaped rounded at the base; male and female catkins on the same tree

Paper Birch is monoecious, producing both male (staminate) and female (pistillate) flowers on the same tree; both types of flowers are organized into catkins. Premature forms of the catkins first develop during the fall, overwinter in a dormant state, …

Dec 10, 2015 · Paper birch (Betula papyrifera) produces separate male and female flowers on the same tree, both in the form of catkins (cylindrical clusters of flowers). The catkins form in the fall and overwinter in a dormant state. In the spring they mature as …

In the east and central regions, it is a major component of two forest cover types (29): Paper Birch (Society of American Foresters Type 18) and Paper Birch-Red Spruce-Balsam Fir (Type 35). In Alaska and western North America, it is an integral member in three types: Paper Birch (Type 252), White Spruce-Paper Birch (Type 202), and Black Spruce ...

5 days ago · The White Birch or Paper birch, known scientifically as Betula papyrifera, belongs to the Betulaceae family, which encompasses birches, alders, hazels, and hornbeams. Within the genus Betula, B. papyrifera falls into the subgenus Betulaster, characterized by species with distinctive white bark. ... Male Catkins: Long, pendulous, and yellow ...

Female flowers (pistillate) appear before the leaves are fully expanded and are greenish upright catkins, known as 'aments', about 1 to 2 inches long, back of the tip on the same twigs as the male catkins. They have an ovary, a pair of styles but no calyx or petals.

May 14, 2015 · The catkin is an inflorescence shape which lends itself well to anemophily (wind-pollination), as the tubular cluster of flowers helps ensure the distribution or sifting of pollen from the air with high efficiency regardless of wind direction.

Western Paper Birch, White Birch. A small to medium-sized deciduous tree with attractive white, peeling, papery bark which grows in marshes, wetlands, along bog margins, and in forests and woods. Plant Type: Tree. Distribution: This tree grows from Alaska to Oregon (including British Columbia), and east to the Atlantic coast.