Persicaria odorata Persicaria odorata Persicaria odorata, known as rau răm or Vietnamese coriander, is an herb whose leaves are used in Southeast Asian cooking. Other names for this herb include Vietnamese mint, Vietnamese cilantro, Cambodian mint, hot mint, laksa leaf, and praew leaf. Vietnamese coriander is not related to the mints, nor is it in the mint family Lamiaceae, but its general appearance and fragrance are reminiscent of them. "Persicaria" is in the family Polygonaceae, collectively known as "smartweeds" or "pinkweeds". Above all, the leaf is identified with Vietnamese cuisine, where it is commonly eaten fresh in salads (including chicken salad) and
Glossary of leaf morphology the plant using the ablative singular or plural, e.g. 'with ovate leaves'. Glossary of leaf morphology The following is a defined list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular or irregular, may be smooth or bearing hair, bristles or spines. For more terms describing other aspects of leaves besides their overall morphology see the leaf article. Leaves of most plants include a flat structure called the blade or