Abstract Water chestnut (Trapa L. ) is a floating-leaved aquatic plant with high edible and medicinal value. In this study. we presented chromosome-level genome assemblies of cultivated large-seed species Trapa bicornis and its wild small-seed relative Trapa incisa by using PacBio HiFi long reads and Hi-C technology. https://halohealthcarers.shop/product-category/socks/