Virginia Roundleaf Birch, Ashe Birch Betula lenta uber - Betula uber

Detailed Listing For
Botanical Name:

Betula lenta uber









Common Name:

Virginia Roundleaf Birch, Ashe Birch

30 feet
Minimum Hardiness Zone:

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  • Betula lenta uber

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Growing Info, follow in order:
Scarification: Soak in water, let stand in water for 24 hours.
Stratification: cold stratify for 60 days.
Germination: surface sow and keep moist, requires light for germination.
Other: stratification may be used instread of surface sowing, it is better to surface sow if possible.
In a Nutshell:
* Betula uber (Virginia Round-leaf Birch) is a rare species of tree in the birch family. One of the most endangered species of North American trees, it is endemic to Smyth County, in the U.S. state of Virginia. It is part of the temperate broadleaf and mixed forests biome.
* The tree was first described in 1918 as a variety of Betula lenta, and elevated to species status in 1945. It hybridizes with B. lenta and it has been suggested that it is actually a round-leaved mutant form of that species. Some authorities prefer to treat it as a variety.
* After it was first discovered, the tree was not seen again and was thought to be extinct until 1975, when some individuals were located. These 18 adult trees and 23 saplings and seedlings were in a forest along the degraded banks of Cressy Creek in Smyth County, Virginia.
* This is a tree of moderate size, growing up to 15 meters tall. The crown is compact. The bark is aromatic and dark brown or black in color.The leaf is round or slightly oval with a heart-shaped base and a toothed edge and measures up to 5 centimeters long. more...