Japanese zelkove
| Japanese zelkove | ||||||||||||
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Noma Keyaki, an approximately 1000 year old Japanese zelkove in Nose near Osaka, Japan. With a height of 25 meters and a trunk circumference of 11.95 meters, it is the largest known specimen of Zelkova serrata . |
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| Zelkova serrata | ||||||||||||
| ( Thunb. ) Makino |
The Japanese zelkova ( Zelkova serrata ) ( jap. 槻 , keyaki , kor neutinamu 느티 나무. Syn. : Zelkova acuminata , zelkova hirta , zelkova keaki ), also called Keaki is a plant from the genus of zelkova ( zelkova ) within the family of elm family (Ulmaceae).
description
The Japanese zelkove grows up to 30, rarely up to 40 meters. It has a short trunk. The bark is initially smooth, later it becomes flaky. The oval to ovate leaves are 10 to 12 inches long and 5 inches wide. They have a reddish stalk and have 9 to 14 pairs of lateral nerves that end in the pointed leaf margin teeth. These are pointed and directed forward. The leaves are light green and slightly hairy on the upper side and glossy green on the underside. They have an elongated leaf tip and a rounded blade base. In autumn the leaves change color from yellow-orange to reddish-brown. The Japanese zelkove blooms from April to May. The flowers are monoecious, small and green. The fruit is smooth, round and green and can grow up to 5 millimeters in size.
The number of chromosomes is 2n = 28.
Dissemination and use
The distribution area of the Japanese zelkove extends over Japan , Korea , eastern China and Taiwan . It occurs only sporadically, but is cultivated in forestry due to its valuable wood.
In Central Europe , the Japanese zelkove is a decorative, hardy park tree. It is also often designed as a bonsai .
The strong heartwood of the Japanese zelkove is an essential part of Japanese bow making, see Yumi .
literature
- P. Schütt, HJ Schuck, B. Stimm: Lexicon of tree and shrub species , Nikol Verlagsgesellschaft, Hamburg 2002, ISBN 3-933203-53-8
Individual evidence
- ^ Zelkova serrata at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
