nectar A sweet viscous secretion containing from 5% to 80% sugar produced by the stems, leaves, and flowers of higher plants. Nectar is produced in structures called nectaries. By attracting insects, nectar facilitates pollination. Nectars with over 15% sugar are used by honey bees to make honey. Related categories • BOTANY • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |