Standard Article

Gentianales (Coffees, Dogbanes, Gentians and Milkweeds)

  1. Lena Struwe

Published Online: 11 JUL 2002

DOI: 10.1038/npg.els.0003732



How to Cite

Struwe, L. 2002. Gentianales (Coffees, Dogbanes, Gentians and Milkweeds). eLS. .

Author Information

  1. Rutgers University, New Jersey, USA

Publication History

  1. Published Online: 11 JUL 2002


The angiosperm order Gentianales includes the Apocynaceae (dogbanes and milkweeds), Gelsemiaceae, Gentianaceae (gentians), Loganiaceae (strychnine plants) and Rubiaceae (coffee and madder plants). They are found worldwide in most climates, but are most abundant in the tropics.


  • botany;
  • systematics;
  • asteridae;
  • classification;
  • evolution