Primary leaf

Castor -Keimling with two cotyledons (perforated) (rounded), and two primary leaves.

When the primary leaf , young leaf , Protophyll or Eophyll the first are leaves of a plant referred to, according to the cotyledons (cotyledons) or low sheets are formed.

However, these first leaves are only given this name if they are designed differently from the subsequent leaves. Usually they are designed more simply.

The primary leaves, which are already in place in the embryo, were called feuilles primordiales by Augustin-Pyrame de Candolle in 1813 . Goebel replaced the term primordial leaves in 1883/84 with primary leaves. The term eophyll was first used by Tomlinson in 1960.

Web links

Wiktionary: Primary sheet - explanations of meanings, word origins, synonyms, translations

supporting documents

↑ ^a ^b Gerhard Wagenitz : Dictionary of Botany. The terms in their historical context. 2nd, expanded edition. Spektrum Akademischer Verlag, Heidelberg et al. 2003, ISBN 3-8274-1398-2 , p. 260.
^ Wilhelm Nultsch : General botany. Short textbook for physicians and scientists. 8th, revised and expanded edition. Thieme, Stuttgart et al. 1986, ISBN 3-13-383308-1 , p. 208.

[Wagenitz-1] Gerhard Wagenitz : Dictionary of Botany. The terms in their historical context. 2nd, expanded edition. Spektrum Akademischer Verlag, Heidelberg et al. 2003, ISBN 3-8274-1398-2 , p. 260.

[Nultsch-2] Wilhelm Nultsch : General botany. Short textbook for physicians and scientists. 8th, revised and expanded edition. Thieme, Stuttgart et al. 1986, ISBN 3-13-383308-1 , p. 208.