A new species of Parkinsonia L. (Leguminosae: Caesalpinioideae), P. peruviana, from the dry thorn scrub forests of the inter-Andean Marañon Valley, Amazonas, Peru, is described and illustrated. The status of Parkinsonia species in Peru is outlined and a key for their identification is provided.
Hughes, C.E.; Daza Yomona, A.; Hawkins, J.A. A new Palo Verde (Parkinsonia - Leguminosae: Caesalpinioideae) from Peru. Kew Bulletin (2003) 58, 467-472.