Sarcotesta
Sarcotesta ( Ginkgo biloba )
Black guaraná seeds with sarkotesta.
The Sarkotesta (Greek sarx = 'meat'), occasionally also written Sarcotesta , is part of the seed coat in botany . It is a fleshy layer around the seed that is formed by an integument or parts of it. It always occurs together with a hard internal sclerotesta . They are common in Cycadopsida and Ginkgophyta , but also in some Bedecktsamern , such as. B. found in magnolia and Connaraceae . In the Bedecktsamern it is considered a possibly original feature.
literature
- Gerhard Wagenitz : Dictionary of botany. Morphology, anatomy, taxonomy, evolution. With English-German and French-German registers . 2nd expanded edition. Nikol, Hamburg 2008, ISBN 978-3-937872-94-0 , pp. 285 (licensed edition 2003).
- Peter Sitte , Elmar Weiler , Joachim W. Kadereit , Andreas Bresinsky , Christian Körner : Textbook of botany for universities . Founded by Eduard Strasburger . 35th edition. Spektrum Akademischer Verlag, Heidelberg 2002, ISBN 3-8274-1010-X , p. 775 f., 786 .
Web links
Commons : Sarcotesta - collection of images, videos and audio files
Individual evidence
- ^ Klaus Kubitzki : The Families and Genera of Vascular Plants. Vol. X, Springer, 2011, ISBN 978-3-642-14396-0 , p. 368.