GentianaceaeGentian Family

  - Leaves simple, opposite, entire, with few lateral veins.
  - Petiole bases form a sheath across the node.
  - No stipules.
  - Large cream, bell-shaped flowers.
  - Fruit a dry capsule with minute winged seeds.

Diagnosis: Treelets, without stipules, leaves simple, opposite, entire, broadly obovate, with only 3-4 lateral veins, petioles joined across node, glabrous.

Similar families
Asteraceae: usually pubescent and 3-veined, interpetiolar ridge not forming a sheath.
Caprifoliaceae: glandular teeth on leaf margin, no interpetiolar sheath, midvein sunken above.
Verbenaceae: twigs cuadrangular, petioles not joined across node, though ridge often present, more lateral veins.

Diversity: Total: 6 genera, 7 species. Trees: 1 genus, 1 species.

Credits: Images and text copyright 2000-2007, William A. Haber,