Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Acer saccharum subsp. leucoderme

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Acer saccharum subsp. leucoderme

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Threats

Comments: Somewhat threatened by land-use conversion, habitat fragmentation, and forest management practices (Southern Appalachian Species Viability Project 2002).

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Wikipedia

Acer leucoderme

Acer leucoderme (English: Chalk Maple; also Whitebark Maple), is a deciduous tree native to the southeastern United States from North Carolina south to northwest Florida and west to eastern Texas. It lives in the understory in moist, rocky soils on river banks, ravines, woods, and cliffs. Although generally a rare tree, it is common in the inner coastal plain and Piedmont regions of Georgia.

It is a small tree, reaching 8-9 m in height and developing a round form with slender branches, and often with multiple trunks. The name "Chalk Maple" (in addition to the Latin name, meaning "white skin") comes from the attractive smooth and thin chalky white or light gray bark on mature trees. The bark becomes ridged and blackish at the base as it ages. The leaves are opposite and simple, 5-9 cm long and broad, often drooping at the tip. They have 5 or 3 long-pointed lobes with wavy or coarsely toothed edges. They are dark green and hairless above, with a yellow-green and softly pubescent underside. In autumn, the leaves turn from a brilliant yellow to orange to deep red. The fruit is a paired brown samara, 2-2.5 cm long, maturing in autumn.

Acer leucoderme is often confused with Acer floridanum (Florida Maple), but there are several differences. A. leucoderme is smaller in size but has larger leaves than Florida Maple. The leaves of A. leucoderme are yellow-green underneath rather than the whitish underside of Florida Maple. The lobes on the leaves of Florida Maple are squarer and blunter than those of A. leucoderme.

A. leucoderme can be grown as a shade tree or reclamation plant up through USDA plant hardiness zone 5B, far north of its natural range. The tree is highly shade- and drought-tolerant.

Some botanists classify A. leucoderme as a subspecies of the Sugar Maple: A. saccharum subsp. leucoderme.

References[edit]

  1. ^ "Acer leucoderme". NatureServe Explorer. NatureServe. Retrieved 2007-06-17. 
  • Little, Elbert L. National Audubon Society Field Guide to North American Trees: Eastern Region. New York: Alfred A. Knopf, Inc., 1980. ISBN 0-394-50760-6.
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