The genera name from Medieval Latin citrullus, citrolus, a kind of cucumber, from (assumed) Old Italian dialect citrulo (Italian cetriolo), from (assumed) Vulgar Latin citriolum, from Late Latin citrium, a kind of cucumber, from Latin, citron, from citrus.
The species name from Latin e, ex; meaning 'without' and cirrhosus; 'tendrils'. Leaf from a more moist area. Female flower. Female bud. Another male flower
