Author:
Jan Scholten
Book:
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Eudicots
Clades: Angiospermae; Plants.
Botany: pollen tricolpate; flower K/C/P opposite anthers; filaments rather narrow; anthers basifixed; nodes trilacunar stomata anomocytic.
Content: ethereal oils absent.

Core eudicots
Flowers pentacyclic; parts alternating ; calyx and corolla free; gynoecium connate ; androecium polyandrous; pollen tricolporate.
Content: ellagic acids, gallic acids.

Taxonomy
In the Apg4 classification Eudicots is a monophyletic clade in Angiospermae. Eudicots contain the Fabanae, Malvanae and Asteranae. The Ceratophyllales are not included in the Eudicots.
The biggest clade of Dicots is the Eudicots, the good dicots. Only the following orders are excluded from Eudicots: Ranunculales, Prtoteales, Trochodendrales and Buxales.

and they are distinguished from the more primitive Magnolianae by calling them Eudicots, good dicotylydons. The majority of them are also called core eudicots.