Manekia Trelease is recognized as an earlier name for Sarcorhachis Trelease (Piperaceae). After examination of available herbarium material, including appropriate type specimens, it is clear that Manekia and Sarcorhachis are taxonomic synonyms. New combinations are made for four species of Manekia originally described in the genus Sarcorhachis Manekia incurva (Sieber ex Schultes) Arias, Callejas & Bornstein, Manekia obtusa (Miquel) Arias, Callejas & Bornstein, Manekia sydowii (Trelease) Arias, Callejas & Bornstein, and Manekia venezuelana (Steyermark) Arias, Callejas & Bornstein. The following names newly synonymize: Sarcorhachis obtusa (Miquel) Trelease var. cordata Yuncker and Sarcorhachis sydowii Trelease var. hirsuta Yuncker. Additionally, a lectotype is designated for Manekia sydowii (Trelease) Arias, Callejas & Bornstein.