Ligule (coca)
Definition
A paired membranous flap at the junction of the leaf blade and petiole unique to Erythroxylum. Its presence in intact dried coca leaves is a morphologically specific diagnostic character for the genus.
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Explained in
- Botanical Identification of Other Controlled Plant SpeciesA paired membranous flap at the junction of the leaf blade and petiole unique to Erythroxylum. Its presence in intact dried coca leaves is a morphologically sp...