Larnax sawyeriana S. Leiva, E. Rodríguez Rodríguez & J. Campos (1998: 203)

Lectotype (designated here):— PERU. Cajamarca: San Ignacio, Caserío La Bermeja, bosques de neblina La Bermeja, Dist. Tabaconas, 1830 m, 4 January 1998, S. Leiva, J. Campos & E. Rodríguez 2097 (HUT 031884! , isolectotypes: CONN 00055668!, CORD 00004051!, F 2198659!, MO 04906480!).

The few flowers per node (2–4) and the fruiting calyx with conspicuous glandular pubescence appressed to the berry are the most important diagnostic characters (Fig. 18 B–E) visible in the selected lectotype (Fig. 18 A). The two branches with buds, abundant flowers and three fruits of the lectotype are perfectly preserved whereas the other specimens are poor.