Berberis × ottawensis
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Berberis × ottawensis 'Superba' |
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Berberis × ottawensis is a species of barberry ( Berberis ). It is a hybrid of the Thunberg barberry ( Berberis thunbergii ) and the common barberry ( Berberis vulgaris ). Berberis × ottawensis originated in Ottawa ( Canada ) at the beginning of the 20th century .
description
The deciduous (deciduous) shrub can reach a height of 1.3 meters; it has only a few soft thorns. The medium green leaves are obovate, up to 3.3 centimeters long and are partly whole, partly toothed. In autumn they take on a bright yellow color. The yellow flowers appear in May and are 5 to 10 in long-stalked clusters or umbels. The fruits are egg-shaped and red.
use
Berberis × ottawensis originated as a cultivated form and is often used as an ornamental shrub; it is hardy.
Cultivated forms
- 'Auricoma' with intensely purple, later green leaves on the shoots; numerous yellow flowers that are tinged with red.
- 'Purpurea' is a synonym for 'Superba'.
- 'Silver Miles' dark red-purple leaves that are tinged with silver
- 'Superba' can grow up to 4 meters high; the leaves are up to 5 centimeters long and are brown to black-red and have a metallic sheen; the flowers are reddish yellow; Plants of these hybrids can easily be confused with those of the Thunberg barberry ( Berberis thunbergii var. 'Atropurpurea').
swell
- Andreas Roloff , Andreas Bärtels: Flora of the woods . 2nd Edition. Eugen Ulmer, Stuttgart (Hohenheim) 2006, ISBN 3-8001-4832-3 .
- Robert Zander : Zander. Concise dictionary of plant names. Edited by Walter Erhardt , Erich Götz, Nils Bödeker, Siegmund Seybold . 17th edition. Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3573-6 .
- Christopher Brickell, The Royal Horticultural Society (ed.): The great plant encyclopedia. A to Z. Dorling Kindersley, Starnberg 2004, ISBN 3-8310-0657-1 .
- Gordon Cheers (Ed.): Botanica: The ABC of Plants. 10,000 species in text and images . 3rd, updated edition. Könemann, Cologne 2000, ISBN 3-8290-0868-6 .