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
Herb and medicinal herbs; in medicinal or spiritual use, any parts of the plant might be considered as "herbs", including leaves, roots, flowers, seeds, root bark, inner bark (and cambium), resin and pericarp. The word "herb" is pronounced in Commonwealth English, but is common among North American English speakers and those from other regions where h-dropping occurs. In botany, the word "herb" is used as a synonym for "herbaceous plant". In botany, the term herb refers to a herbaceous plant, defined as a small, seed-bearing plant without a woody stem in which all aerial parts (i.e. above ground) die back to