Question

From a floral diagram how can we know that the overies are superioror or inferior?

Answer 1

Floral diagram is a graphic representation of flower structure. It shows the number of floral organs, their arrangement and fusion. Different parts of the flower are represented by their respective symbols. Floral diagrams are useful for flower identification or can help in understanding angiosperm evolution. They were introduced in the late 19th century and are generally attributed to A. W. Eichler.

In the 19th century, two contrasting methods of describing the flower were introduced: the textual floral formulae and pictorial floral diagrams. Floral diagrams are credited to A. W. Eichler, his extensive work Blüthendiagramme (1875, 1878) remains a valuable source of information on floral morphology. Eichler inspired later generation of scientists, including John Henry Schaffner.Diagrams were included e.g. in Types of Floral Mechanism by Church (1908). They were used in different textbooks, e.g. Organogenesis of Flowers by Sattler(1973), Botanische Bestimmungsübungen by Stützel (2006) or Plant Systematicsby Simpson (2010). Floral Diagrams (2010) by Ronse De Craene followed Eichler’s approach using the contemporary APG II system.

Answer 2

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