Magnoliidae is a botanical subclass name; it may refer to:
*
Magnoliids
Magnoliids, Magnoliidae or Magnolianae are a clade of flowering plants. With more than 10,000 species, including magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, tulip tree and many others, it is the third-largest group of angiospe ...
, a major group of basal angiosperms.
*
Magnoliidae sensu Chase & Reveal, a botanical subclass consisting of all angiosperms.
* In the Dahlgren and Thorne systems, a group consisting of the
Dicotyledon
The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into which all the flowering plants (angiosperms) were formerly divided. The name refers to one of the typical characteristics of the group: namely, ...
s (Class Magnoliopsida in the Cronquist system)
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