A botanical trap. The flower's flared cup and narrow petals can summon the image of a garden daffodil, yet the resemblance is a trick of common naming rather than a statement of descent. South American daffodil belongs to Hymenocallis, a genus within Amaryllidaceae, not to Narcissus.Names mislead. In horticulture, common labels often travel farther than scientific classifications, carrying familia...More