Herb
Polygonum odoratum
A tier
Polygonum odoratum is the older botanical name still printed on some seed lists for Vietnamese coriander—same peppery cilantro-like leaf as Persicaria odorata. Taxonomy moved; flavour did not. Buy plants by smell and leaf shape if Latin names disagree between vendors. Use raw or briefly wilted. Not cilantro (Coriandrum) despite English “coriander” in the common name.
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Characteristics
Preparations
FreshHerb BedSaladSoup
Traits
CitrusGreenLegacy LatinLegacy NameName DriftPepperyPeppery LeafSame Kitchen Plant
History
Polygonum odoratum appeared in botanical and colonial agricultural notes.
Herbals used Polygonum for Vietnamese coriander widely.
Reclassification toward Persicaria accelerated.
Legacy Polygonum labels remained in commerce.