Oliver's linden tree
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Oliver's lime tree ( Tilia oliveri ) |
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| Tilia oliveri | ||||||||||||
| Szyszył. |
Oliver lime ( Tilia oliveri ) is a plant from the genus of Linden ( Tilia ) in the family of the Malvaceae (Malvaceae). This deciduous tree is native to China .
description
Oliver's lime tree is a deciduous tree that can reach heights of 6 to 26 meters with a trunk diameter of about 60 centimeters. In young trees, the treetop is loose, with age it is arched high. The bark is dark gray and smooth and interspersed with a few stripes of brown hair. The bark of young twigs is reddish brown, thick and hairless. The egg-shaped buds are red to green, smooth to hairy. The stalked leaves are simple. The smooth or rarely hairy petiole is 1.5 to about 6 inches long. The leaf blade is flat and light fresh green on top; the underside appears silvery white due to the felted hair. The obliquely heart-shaped leaf blade is 6 to 14 by 4.5 to 10 centimeters in size. The leaf margin is serrated with long tips. There are stipules present.
The flowering period is from June to August. There are 3 to 20 flowers together in a pendulous umbellate inflorescence . The inflorescence is at most as long as the bract , which is fused with the inflorescence stem over two-fifths of its length. It is 5 to 8 inches long and 1 to 2.5 inches wide, light green on the top and whitish on the underside. The hermaphrodite, radially symmetrical flowers are five-fold. The five hairy sepals are 5 to 6 millimeters in size. The five smooth petals are 6 to 7 millimeters in size. A total of 45 stamens are combined in five bundles . The staminodes are smooth. The ovary is hairy. The stylus is smooth.
The more or less spherical fruits have a diameter of about 7 to 10 millimeters; they are hairy and thick-skinned. The seeds ripen in August to September.
The number of chromosomes is 2n = 82.
distribution
The home of Oliver's linden tree is in central China . They are found there in the provinces of Gansu , Hubei , Hunan , Jiangxi , Shaanxi , Sichuan and Zhejiang . It occurs at altitudes from 1300 to 2250 meters.
In Central Europe , it is rarely found in botanical gardens and collections. It is also not completely hardy .
Systematics
The description by the Polish botanist Ignaz von Szyszyłowicz under the taxon Tilia oliveri was published in 1890.
A synonym is Tilia pendula V. Eng. non Rupr. & Maxim.
literature
- Ya Tang, Michael G. Gilbert & Laurence J. Dorr: Tiliaceae in Flora of China , Volume 12, Page 244: Tilia oliveri - Online.
- Alan Mitchell, translated and edited by Gerd Krüssmann: The forest and park trees of Europe: An identification book for dendrologists and nature lovers . Paul Parey, Hamburg and Berlin 1975, ISBN 3-490-05918-2 .
Individual evidence
- ^ Tilia oliveri at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ Hooker's Icon. Pl. 20: t. 1927. 1890. See entry at GRIN .
Web links
- Entry in GRIN Taxonomy for Plants. (engl.)
- Brief description at Plants for a Future. (engl.)
- Information and care tips at gardening.eu .
- Picture at the Ruhr University Bochum. ( Memento from September 11, 2004 in the Internet Archive )