• Born year: 1684
  • Born in: GerMany
  • Death date: 1747-04-02
  • Death in: England
Johann Jacob Dillenius

Johann Jacob Dillen Dillenius (1684–2 April 1747) was a German botanist.Dillen was born at Darmstadt and was educated at the University of Giessen, where he wrote several botanical papers for the Ephemerides naturae curiosorum, and printed, in 1719, his Catalogus plantarum sponte circa Gissam nascentium, illustrated with figures drawn and engraved by his own hand, and containing descriptions of many new species.