How did Gothic sculptors use realistic carvings of plants on column capitals?

During the early Gothic period, masons began to observe natural forms more closely as part of a broader quest for realism in architectural decoration. This shift led to the creation of astonishingly accurate botanical studies, which were manifested as realistically carved clusters of leaves adorning the capitals of columns.12

These carvings represented a significant departure from earlier, more stylized or abstract foliage motifs. By studying different kinds of leaves, sculptors were able to translate their observations into stone with high precision. Notable examples of this realistic botanical carving can be found at Reims Cathedral, the Southwell Chapter House, and the Naumburg Cathedral. This practice reflected a wider artistic trend in the 13th century, where sculptors sought to capture the natural world with greater fidelity, paralleling their efforts to study human physiognomy in other forms of sculpture.342