Tag Archives: phyllotaxis

Word of the Week: Whorl

While the word whorl has other meanings outside of botany, along with the arrangement of leaves (phyllotaxis) on the same stem, it is also the term used to describe the four main groups of flower parts: sepals, petals, stamens, and pistils. Continue reading

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Word of the Week: Phyllotaxis

The three major patterns of phyllotaxis are alternate, opposite, and whorled, as shown in the illustration below. How leaves are arranged on the stem (axis) is one of the tools for classifying and identifying plants. Continue reading

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