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That it is not part of being a dicot is a reason why roses have almost no fibrous roots.

Specifically, angiosperms (flowering plants) generally can be described as having fibrous or taproot systems. A main, primary, solitary, trunk-like taproot develops from the plant's embryonic root (radicle). It grows ever downward in the soil in search of moisture and nutrients. It is the characteristic of the dicot division of angiosperms and therefore of the dicot named the rose.

In contrast, a fibrous root system can be found in the monocot division of angiosperms. Such a system happens because the embryonic root does not survive the plant's youth. As a result, monocots such as grasses, lilies and palm trees have many, shallow-rooted, thin roots which grow outward and keep branching and rebranching.

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11y ago

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