Smooth-leaved hackberry
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Smooth-leaved hackberry ( Celtis laevigata ) |
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| Celtis laevigata | ||||||||||||
| Willd. |
The smooth-leaved hackberry ( Celtis laevigata ) or Mississippi hackberry is a medium-sized deciduous tree from the genus of hackberry in the hemp family (Cannabaceae). The genus is often assigned to the elm family (Ulmaceae). The range of the species is in the east of the USA and in the northeast of Mexico .
description
The flat leaf hackberry is up to 30 meters high tree with flattened rounded crown and a breast height diameter of up to 1 meter. The bark is light gray, smooth and usually thickly covered with cork warts . The branches are overhanging and have no thorns, young shoots are initially hairy, but later bald. The leaves have a 6 to 10 millimeter long stem. The leaf blade is 6 to 8, rarely from 4 to 15 centimeters long and 3 to 4, rarely from 2 centimeters wide, ovate to ovate, lanceolate, long pointed and usually sickle-shaped with a broad wedge-shaped or rounded base, usually with entire margins or rarely with a few teeth . The upper side of the leaf is dark green, the underside a little lighter, both sides are bare. The fruits grow on 1 to 2 centimeters long, thin stems. They are almost spherical, 5 to 8 millimeters in size, orange-red and purple-black when ripe. The stone core is 4.5 to 7 millimeters long and 4 to 6 millimeters wide. The species blooms from May to October.
Distribution and location
The natural range extends from Indiana and West Virginia in the northeast of the United States to Florida and Texas in the south and northeast of Mexico. There the smooth-leaved hackberry grows in floodplains and on river banks up to 300 meters above sea level on fresh to moist, slightly acidic to alkaline, sandy, gravelly or gravelly soils in sunny locations. The species tolerates heat and is only moderately frost hardy.
Systematics
The smooth-leaved hackberry tree ( Celtis laevigata ) is a species from the genus of hackberry trees ( Celtis ). The genus, either the family of hemp plants assigned (Cannabaceae) or the family of elm plants (Ulmaceae). The species was first described in 1811 by the German botanist Carl Ludwig Willdenow in his work Berlinische Baumzucht .
use
The wood of the smooth-leaved hackberry is rarely used economically. The Houma used the bark to treat sore throats and venereal diseases .
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. 174.
- Steve Cafferty: Cosmos Atlas Trees of the World . Franckh-Kosmos, Stuttgart 2008, ISBN 978-3-440-10983-0 , p. 162 .
Individual evidence
- ↑ German name after Roloff et al .: Flora of the woods
- ↑ German name Mississippi-Zürgelbaum after Steve Cafferty: Kosmos-Atlas trees of the world
- ↑ a b c Roloff et al .: Flora of the Woods , p. 174
- ↑ a b c d Celtis laevigata. In: Flora of North America Vol. 3. www.eFloras.org, accessed January 22, 2012 (English).
- ↑ a b Celtis laevigata. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed January 22, 2012 .
- ↑ Celtis laevigata. In: The Plant List. Retrieved January 22, 2012 (English).
Web links
- Russell H. Burns: Silvics of North America . Volume 2: Hardwoods. In: Agriculture Handbook . United States Government Printing, Oxford 1991, ISBN 978-0-16-029260-6 ( Celtis laevigata ).