Velvet maple

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Velvet maple
Acer velutinum.JPG

Velvet maple ( Acer velutinum )

Systematics
Eurosiden II
Order : Sapindales (Sapindales)
Family : Soap tree family (Sapindaceae)
Subfamily : Horse chestnut family (Hippocastanoideae)
Genre : Maples ( Acer )
Type : Velvet maple
Scientific name
Acer velutinum
Boiss.

The velvet maple ( Acer velutinum ) or Persian sycamore maple is a medium-sized tree from the maple genus in the soap tree family (Sapindaceae). The natural range is in the Caucasus and northern Iran.

description

The velvet maple is a tree up to 25 meters high with a broad crown and thick, bare, gray to brown shoots. The leaves are five-lobed, 15 to 25 centimeters wide with a heart-shaped base. The lobes are ovate and coarsely and irregularly serrated. The top of the leaf is fresh green, the underside bluish green and shaggy hairy. The leaf stalk is 20 to 25 inches long. The leaves turn yellow in autumn. The yellowish green flowers grow in panicles 8 to 12 centimeters wide . The species blooms in May after the leaves have emerged. The fruits are hairy and about 3 to 6 inches long. The wing is obtuse to horizontal.

The number of chromosomes is 2n = 26 or 52.

Distribution and ecology

The distribution area is in northern Iran and Azerbaijan . The species grows in species-rich forests on fresh to moist, acidic to neutral, sandy-humic to loamy-humic soils in sunny to light-shaded locations. The species loves warmth and is usually frost hardy.

Systematics and research history

The velvet maple ( Acer velutinum ) is a kind from the kind of the maples ( Acer ) in the family of the soap tree plants (Sapindaceae). There he is the section Acer , Series Acer assigned. It was first described in 1846 by Pierre Edmond Boissier in the Diagnoses Plantarum Orientalium novarum .

There are two varieties :

  • Acer velutinum var. Velutinum
  • Acer velutinum var. Van-volxemii (Mast.) Rehder with larger leaves and hairy only along the nerves on the underside of the leaf. The fruit wing is spread almost horizontally, occurrence only in the Caucasus.

use

The species is rarely used as an ornamental wood because of its unusual autumn colors .

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. 84.

Individual evidence

  1. ↑ a b German name after Roloff et al .: Flora der Gehölze , p. 84
  2. ↑ a b c d Roloff et al .: Flora der Gehölze , p. 84
  3. ^ Acer velutinum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  4. ↑ a b Acer velutinum. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed December 30, 2011 .

Web links

Commons : Velvet Maple  - Collection of images, videos, and audio files