We describe an enhanced version of the MORPHE tool, a morphological analyzer/generator designed to interface with a knowledge-based machine translation system. MORPHE uses a hierarchy (tree structure) to relate various morphological forms to each other based on common and distinctive features. Transformational rules are attached to the leaf nodes of the hierarchy. In generation, MORPHE takes as...

The morphology of the leaves of angiosperms exhibits remarkable diversity. One of the factors showing the greatest variability is the leaf index, namely, the ratio of leaf length to leaf width. In some cases, different varieties of a single species or closely related species can be distinguished by differences in leaf index. To some extent, the leaf index reflects the morphological adaptation o...