Nyctago, from Greek word nyx night and Latin suffix -ago. Trees, shrubs, scramblers or herbs; leaves alternate, opposite (often members of the pair unequal in size) or subopposite, simple entire. Involucral bracts often present; perianth 5 fused, fertile stamens usually 5; gynoecium of 1 carpel, fruit indehiscent, usually enclosed in the persistent base of the perianth, maybe sticky because of glandular secretions.