Monographs Details: Palicourea pittieri Standl.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Discussion:This species has been confused with P. apicata H.B.K., but shows the following differences: sinus at the base of the corolla lobes is not bossed nor tubercled in P. pittieri as in P. apicata, inflorescence branches of P. pittieri are pubescent in lines, but completely glabrous in P. apicata, the disk greatly exceeds the calyx lobes in P. apicata, but merely equals them in P. pittieri, the stipular lobes of P. pittieri are lanceolate, subacute, and 0.7-1.5 mm long, whereas in P. apicata the teeth are not present and the stipular sheath is merely undulate at its summit, the apical projection of the fruit representing the persistent disk is present and conspicuous in P. apicata, but not obvious in fruit in P. pittieri, the lateral pairs of nerves of the leaf blades in P. apicata are 12-14, in P. pittieri 12-18, the peduncle is usually present in P. pittieri to the extent of 0.5-2.5 cm in length, but usually absent in P. apicata, the base of the corolla in P. pittieri is slightly gibbose, but strongly so in P. apicata, and finally, the corolla in P. apicata is subcylindric, whereas in P. pittieri it is infundibuliform, narrowed below and widened above.