Resumen de Rubiacearum Americanarum Magna Hama Pars XXI. A New Species of Palicourea (Psychotrieae) from Costa Rica

Alex C. Gilman, Charlotte M. Taylor

• A new species of Palicourea Aublet (Rubiaceae, Psychotrieae) is described and illustrated: P. palustris A. C. Gilman & C. M. Taylor from montane Costa Rica. This species differs from P. salicifolia Standley by its large stipules that have well-developed lobes and are persistent with age, and by its larger corollas with relatively longer lobes.