Hermann Otto Sleumer (February 21, 1906 in Saarbrücken – October 1, 1993 in Oegstgeest)[1]: 1125 was a Dutch botanist of German birth.[1] The plant genera Sleumerodendron Virot (Proteaceae) and Sleumeria Utteridge, Nagam. & Teo (Icacinaceae), are named for him.[1]: 2497 [2]
The standard author abbreviation Sleumer is used to indicate this person as the author when citing a botanical name.[3]