Rubiaceae

(roo-bee-AY-see-ee)
– a family in the Gentianales order –

Here in the St. Louis Area, we have 15 not-too-obscure plants that are in the Coffee Family:

  • Cephalanthus occidentalis  (Buttonbush) [CC3]
  • Cruciata pedemontana (Piedmont Bedstraw) [intro]
  • Diodia teres  (Rough Buttonweed) [CC2]
  • Houstonia longifolia (Longleaf Bluet) [CC5]
  • Houstonia purpurea (Venus’ Pride) [CC6]
  • Houstonia pusilla (Tiny Bluet) [CC3]
  • Spermacoce glabra (Smooth False Buttonweed) [CC5]
  • Stenaria nigricans (Diamondflowers) [CC5]

[CC] = Coefficient of Conservatism