Bush oak

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

The bush oak ( Quercus ilicifolia ) is a small tree or shrub from the genus of oaks in the beech family . The distribution area is in the north and south-east of the USA and Canada.

description

The bush oak is a 3 to 7 meter high, bulky tree or shrub with a round crown. The bark is thin and breaks into small fields with age, the inner bark is pink. Young shoots are densely hairy, light gray, later bald and turn dark brown. The leaves are 5 to 12 inches long and 3 to 9 inches wide, obovate to elliptical, blunt with an attached tip and a broad wedge-shaped base. The blade has three to seven flat, triangular lobes with a short awn on both sides. Two to three pairs of nerves protruding on either side of the leaf are formed. The upper side of the leaf is glossy dark green, the underside with thick white-gray tomentose hairs. The stem is 0.6 to 1.5 inches long. The leaves turn yellow to red-brown in autumn. The fruits are about 1 centimeter long, spherical-egg-shaped, with short stems and half surrounded by a bowl-shaped fruit cup . The fruits ripen in the second year. The number of chromosomes is . ${\ displaystyle 2n = 24}$

leaves

Distribution and ecology

The distribution area is in Ontario in Canada and in the northeast and southeast of the USA. It grows at an altitude of 0 to 1500 meters in species-poor forests on moderately dry to fresh, acidic to neutral, sandy soils in sunny locations. The species loves warmth and is usually frost hardy.

Systematics and research history

The bush oak ( Quercus ilicifolia ) is a species from the genus of oaks ( Quercus ) in the beech family (Fagaceae). The first description was made in 1787 by Friedrich von Wangenheim in Beytrag on German forest science suitable for wood, concerning the planting of North American wood species, with application to German forests .

The species forms hybrids with Quercus coccinea , Quercus falcata , Quercus imbricaria , Quercus marilandica , Quercus phellos , Quercus rubra and Quercus velutina .

use

The species is very rarely used as an ornamental wood because of its autumn color . The Iroquois attributed healing properties to gynecological problems.

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. 501.

Individual evidence

↑ German name after Roloff et al .: Flora der Gehölze , p. 501
↑ ^a ^b ^c Roloff et al .: Flora of the Woods , p. 501
↑ ^a ^b ^c ^d Quercus ilicifolia. In: Flora of North America Vol. 3. www.eFloras.org, accessed December 30, 2011 .
↑ ^a ^b Quercus ilicifolia. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed December 30, 2011 .

Web links

Commons : Bush Oak - Collection of images, videos and audio files

[deutsch-1] German name after Roloff et al .: Flora der Gehölze , p. 501

[FdG-2] Roloff et al .: Flora of the Woods , p. 501

[FoNA-3] Quercus ilicifolia. In: Flora of North America Vol. 3. www.eFloras.org, accessed December 30, 2011 .

[GRIN-4] Quercus ilicifolia. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed December 30, 2011 .