Monographs Details: Strychnos smithiana Krukoff
Authority: Krukoff, Boris A. 1965. Supplementary notes on the American species of Strychnos VII. Mem. New York Bot. Gard. 12: 1-94.
Discussion:Since our monograph on the American species of Strychnos appeared in print in 1942, no new specimens of this species have been collected. It is still known only from four collections, all made in the basin of Igarape Belem (a northern tributary of the upper Rio Solimoes), in the munic. of São Paulo de Olivença, near the Brazilian-Colombian border. Doubtless it occurs also in adjacent Colombia and Peru. Its range probably is more or less similar to the range of S. Castelnaeana. Fruits of this species are still unknown. It would be important to collect and describe mature fruits and seeds and place this species in the proper place in the key made by Ducke, which is based on the fruit characters (31: 53-57). Good flowering material would be welcome.