Bouchons amaranth
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Bouchon's amaranth ( Amaranthus bouchonii ) |
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Bouchon's amaranth ( Amaranthus bouchonii ) is a species of plant from the genus Amaranth ( Amaranthus ) within the foxtail family (Amaranthaceae).
description
Bouchon's amaranth grows as an independently upright, annual herbaceous plant that rarely reaches heights of 10 to, usually 20 to 150 centimeters. All leaves are usually only up to 6 inches long.
The flowering period extends from June to September. The dense inflorescence is often tinged with red. The cover sheet is sub-lanceolate and long awned. The petals are unevenly long, the inner ones are shorter than the fruit.
The nut fruit is longer than the bracts . The fruit shell does not tear open transversely.
The number of chromosomes is 2n = 32.
Occurrence
The original range of Bouchon's amaranth is unknown. It was discovered in Europe in 1925 and has spread there ever since.
literature
- Otto Schmeil , Jost Fitschen (greeting), Siegmund Seybold: The flora of Germany and the neighboring countries. A book for identifying all wild and frequently cultivated vascular plants. 95th completely revised u. exp. Edition. Quelle & Meyer, Wiebelsheim 2011, ISBN 978-3-494-01498-2 .
- Henning Haeupler , Thomas Muer: picture atlas of the fern and flowering plants of Germany (= the fern and flowering plants of Germany. Volume 2). 2nd, corrected and enlarged edition. Published by the Federal Agency for Nature Conservation. Ulmer, Stuttgart 2007, ISBN 978-3-8001-4990-2 .
- Oskar Sebald, Siegmund Seybold, Georg Philippi (Hrsg.): The fern and flowering plants of Baden-Württemberg. Volume 1: General Part, Special Part (Pteridophyta, Spermatophyta): Lycopodiaceae to Plumbaginaceae. 2nd, supplemented edition. Eugen Ulmer, Stuttgart 1993, ISBN 3-8001-3322-9 .
Web links
- Bouchons amaranth. In: FloraWeb.de.
- Distribution map for Germany. In: Floraweb .
- Amaranthus bouchonii Thell. In: Info Flora , the national data and information center for Swiss flora . Retrieved October 8, 2015.
- Data sheet with photos.