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The eudicots, Eudicotidae, or eudicotyledons are a clade of flowering plants (angiosperms) which are mainly characterized by having two seed leaves (cotyledons) upon germination. [1] The term derives from dicotyledon (etymologically, eu = true; di = two; cotyledon = seed leaf).
Monocots and eudicots are to major lineages within the angiosperms. There are several ways to differentiate between these evolutionary groups, including the number of cotyledons, number of floral ….
Angiosperm - Eudicots, Flowering Plants, Monocots: The eudicots are characterized by pollen that fundamentally has three furrows or pores (tricolpate), in contrast to the single pore or furrow of the monocot and basal dicot group (monosulcates).
Eudicotyledon, or eudicot, any member of the flowering plants that has a pair of embryonic leaves, or cotyledons, in the seed. There are about 175,000 known species of eudicots. Most common garden plants, shrubs and trees, and broad-leafed flowering plants, such as sunflowers and roses, are eudicots.
The eudicots are a hugely diverse and abundant group of angiosperm plants. They include over half of the species of all plants and are found in a huge variety of habitats. Being angiosperms they are seed-bearing, vascular plants that produce flowers, fruit and pollen.
Learning Objectives. Compare and contrast monocots and eudicots. Differentiate between monocot and eudicot flowers and leaves. Of over 400 families of angiosperms, some 80 of them fall into a single clade, called monocots because their seeds have only a single cotyledon.
Eudicot stems can be herbaceous or woody. In herbaceous or young woody eudicots the vascular bundles are arranged in a ring around the stem. In older stems, these bundles tend to fuse to form concentric rings. Also, pollen grains in eudicots have three apertures, while monocots have only one.
The eudicots are one of the most diverse groups of flowering plants in terms of floral and vegetative shape, growth form, habitat, and association with animals for pollination, seed dispersal, or nutrition.
Eudicot seeds sprout with two leaves, like a bean, for example. It’s simple to tell whether a plant is a monocot or eudicot by watching its seed sprout. One seed leaf: monocot. Two seed leaves: eudicot. But the differences between these groups go deeper, into other features shared within each group.
Eudicot plants constitute the largest monophyletic clade of angiosperms (flowering plants). They are conventionally defined by having two embryonic cotyledons (thus the name ‘eudicotyledons’) or, more narrowly, having tricolpate pollen grains.