Acer pensylvanicum

Acer pensylvanicum (striped maple, also known as moosewood, moose maple and goosefoot maple) is a small North American species of maple. The striped maple is a sequential hermaphrodite, meaning that it can change its sex throughout its lifetime.

Acer pensylvanicum
Striped maple leaves, Cranberry Wilderness, West Virginia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Sapindaceae
Genus: Acer
Section: Acer sect. Macrantha
Species:
A. pensylvanicum
Binomial name
Acer pensylvanicum
L. 1753
Natural range
Synonyms[2]
  • Acer canadense Duhamel
  • Acer tricuspifolium Stokes

Description

It is a small deciduous tree growing to 5–10 meters (16–33 ft) tall, with a trunk up to 20 cm (8 in) in diameter.[3]

The young bark is striped with green and white, and when a little older, brown.[3]

The leaves are broad and soft, 8–15 cm (3–6 in) long and 6–12 cm (2.5–4.5 in) broad, with three shallow forward-pointing lobes.[3]

The fruit is a samara; the seeds are about 27 mm (1.1 in) long and 11 mm (0.43 in) broad, with a wing angle of 145° and a conspicuously veined pedicel.[3][4][5]

The bloom period for Acer pensylvanicum is around late spring. [6]

The spelling pensylvanicum is the one originally used by Linnaeus.

Distribution

The natural range extends from Nova Scotia and the Gaspe Peninsula of Quebec, west to southern Ontario, Michigan, and Saskatchewan; south to northeastern Ohio, Pennsylvania, and New Jersey, and along the Appalachian Mountains as far south as northern Georgia.[7][8]

Ecology
Striped maple growing at the edge of a forest with pine and hickory in the background (Zena, New York)

Moosewood is an understory tree of cool, moist forests, often preferring slopes. It is among the most shade-tolerant of deciduous trees, capable of germinating and persisting for years as a small understory shrub, then growing rapidly to its full height when a gap opens up. However, it does not grow high enough to become a canopy tree, and once the gap above it closes through succession, it responds by flowering and fruiting profusely, and to some degree spreading by vegetative reproduction.[9][10]

Mammals such as moose, deer, beavers, and rabbits eat the bark, particularly during the winter.[11]

References
  1. "Acer pensylvanicum". IUCN Red List of Threatened Species. 2019. 2019. Retrieved 16 June 2019.CS1 maint: ref=harv (link)
  2. The Plant List, Acer pensylvanicum L.
  3. Virginia Tech Dept. of Forest Resources and Environmental Conservation
  4. Carolina Nature
  5. Lady Bird Johnson Wildflower Center, University of Texas
  6. "Conservation Plant Characteristics for ScientificName (CommonName) | USDA PLANTS". plants.usda.gov. Retrieved 2019-02-18.
  7. "Striped Maple". Retrieved 8 September 2014.
  8. Biota of North America Program 2014 county distribution map
  9. Hibbs, D. E; B. C. Fischer (1979). "Sexual and Vegetative Reproduction of Striped Maple (Acer pensylvanicum L.)". Bull. Torrey Bot. Club. 106 (3): 222–227. doi:10.2307/2484558. JSTOR 2484558.
  10. Hibbs, D. E.; Wilson, B. F.; Fischer, B. C. (1980). "Habitat Requirements and Growth of Striped Maple (Acer pensylvanicum L.)". Ecology. 61 (3): 490–496. doi:10.2307/1937413. JSTOR 1937413.
  11. Little, Elbert L. (1980). The Audubon Society Field Guide to North American Trees: Eastern Region. New York: Knopf. p. 575. ISBN 0-394-50760-6.
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