Morphology of Flowering Plants

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A tap root system has a main primary root that grows vertically downward with lateral branches (secondary, tertiary roots), as seen in dicots like mustard. A fibrous root system consists of many thin …

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Adventitious roots are roots that arise from parts of the plant other than the radicle (primary root). They develop from stem, leaf, or other non-root tissues. Examples include: (1) Grass and Monstera…

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From apex to base: (1) Root cap - protects the tender apex as it pushes through soil; (2) Meristematic region - cells are small, thin-walled with dense cytoplasm, divide repeatedly to provide new cell…

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Root hairs are fine, delicate, thread-like extensions of epidermal cells in the maturation region of roots. They are crucial because: (1) They dramatically increase the root's surface area for absorpt…

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The stem has multiple important functions: (1) Spreading out and supporting branches, leaves, flowers, and fruits in space for maximum light exposure; (2) Transporting water and minerals absorbed by r…

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Nodes are the regions on the stem where leaves and buds originate and attach. They are typically slightly swollen and represent the attachment points. Internodes are the regions between two consecutiv…

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A simple leaf has an entire lamina (blade) or if it has incisions, they do NOT reach the midrib. A compound leaf has incisions that DO reach the midrib, dividing it into separate leaflets. Key distinc…

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Reticulate venation: Veins form an irregular network pattern with smaller veinlets branching and rejoining. The venation resembles a network of roads. Typically found in dicotyledonous plants (dicots)…