Yellow oak

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Yellow oak
Chinkapin oak.jpg

Yellow oak ( Quercus muehlenbergii )

Systematics
Rosids
Eurosiden I
Order : Beech-like (Fagales)
Family : Beech family (Fagaceae)
Genre : Oak trees ( Quercus )
Type : Yellow oak
Scientific name
Quercus muehlenbergii
Engelm.

The yellow oak ( Quercus muehlenbergii ) is a medium-sized tree from the genus of oaks in the beech family . The distribution area is in North America .

description

The yellow oak is a 20 to 45 meter high tree with a high-arched crown. The bark is light gray-brown and splits into thin, flat scales. Young shoots are hairy. The leaves are 5 to 15 centimeters long and 4 to 8 centimeters wide, elongated, obovate or lanceolate, pointed or pointed with a broad wedge-shaped or rounded base. The blade has 8 to 13 cartilaginous lobes on each side. 10 to 14 pairs of nerves are formed. The upper side of the leaf is more or less yellow-green, the underside tomentose. The petiole is 2 to 4 inches long. The fruits are 1.5 to 2 centimeters long, egg-shaped, almost seated and half surrounded by a hemispherical, scaly fruit cup . The scales are thin and pressed, the upper ones pointed. The acorns grow individually. The number of chromosomes is .

  • Trunk and leaves

  • Leaves and fruits

  • fruit

Distribution and ecology

Distribution map

The distribution area extends from Ontario in Canada over the east and the middle of the USA to north and south Mexico. The species grows at an altitude of 0 to 2300 meters in species-rich forests on nutrient-rich, moderately dry to fresh, slightly acidic to alkaline soils in sunny to light-shaded locations. The species loves warmth and is usually frost hardy. It avoids sandy and clayey soils but is common in cities.

Systematics and research history

The yellow oak ( Quercus muehlenbergii ) is a species from the genus of oaks ( Quercus ) in the beech family (Fagaceae). It was first described in 1877 by George Engelmann in the Transactions of the Academy of Science of Saint Louis .

use

The yellow oak is very rarely used economically.

proof

literature

  • Andreas Roloff , Andreas Bärtels: Flora of the woods. Purpose, properties and use. With a winter key from Bernd Schulz. 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , p. 504.

Individual evidence

  1. ↑ German name after Roloff et al .: Flora der Gehölze , p. 504
  2. ↑ a b c Roloff et al .: Flora der Gehölze , p. 504
  3. ↑ a b Quercus muehlenbergii. In: Flora of North America Vol. 3. United States Department of Agriculture, accessed December 30, 2011 .
  4. ↑ a b Quercus muehlenbergii. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed December 30, 2011 .

Web links

Commons : Yellow Oak ( Quercus muehlenbergii )  - Collection of images, videos and audio files