whorled leaf arrangement

botany

Learn about this topic in these articles:

In angiosperm: Leaves
A plant has whorled leaves when there are three or more equally spaced leaves at a node.
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In angiosperm: General features
…outside) there would be a whorl of five sepals, followed by an alternating whorl of five petals, followed by an alternating set of five stamens. In the floral diagram (Figure 12), the midline of each petal is midway between the midlines of two adjacent sepals. Because the whorls alternate, the…
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In Myrtales: Characteristic morphological features
Whorled leaves occur in a few genera, and quite often the leaves are disjunct-opposite, or “scattered,” as in many species in Myrtaceae, Onagraceae, and Combretaceae and some in Lythraceae. In most of the families in the order, stipules are diminutive, only rarely reaching a length…
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