Saturday, July 17, 2010

Pin Oak



Order: Fagales
Family: Fagacceae
Genus: Quercus
Species: Q. palustris

Identifying Characteristics:

- Height: medium-sized, 60 - 70 ft (18 - 22m)

- Trunk: 3 ft in diameter and 25- 45ft spread

- Leaves:
  • 5-16 cm long and 5-12 cm broad
  • lobed, with five or seven lobes. Each lobe has 5-7 bristle-tipped teeth
  • Sinuses are typically u-shapped and deep cut
  • Hairless
  • Green and glossy

- Acorn: 10-16 mm long and 9-15 mm broad, green maturing pale brown about 18 months after population. Unpalatable because the kernel is very bitter

- Flower: brown, inconspicuous and not showy

- Bark: thin

Special Adaptations:

- Wetland tree

- Grows primarily on level or nearly level, poorly drained floodplain and river bottom soils with high clay content

- Develops nicely on moist, acid soils and is tolerant of compaction, wet soil and urban conditions

- Monoecious

- Intolerant of shade

- Usually grows in even-aged stands of dominant and co-dominate trees

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