Syngonium connatum Gleason, Bull. Torrey Bot. Club 56:13. 1929. TYPE: Guyana, Rupununi River, Jenman 5756 (K, holotype) = Philodendron hylaeae Bunting.

Syngonium reticulatum Engler, Bot. Jahrb. Syst. 37:140. 1905. TYPE: Ecuador, San Nicolaus, Sodiro 39 (B, holotype) = Xanthosoma daguense Engler.

Syngonium rothschuhianum Engler & Krause, Pflanzenr. IV. 23E (Heft 71): 124. 1920. TYPE: Nicaragua, Matagalpa, 1000 m, Rothschuh 229 (B, holotype) = Philodendron anisotomum Schott.


Syngonium podophyllum Schott var. multisectum Engler, Pflanzenr. IV. 23E (Heft 71): 129. 1920. TYPE: Based on Duss 519 collected in a botanical garden in Martinique, previously cultivated in Buitenzorg, Java (not seen).

Syngonium sp. Killip 5835, consisting of part of three leaflets and lacking a petiole or any connection between the leaflets, is unusual and may represent a new species. The collection was made at La Cumbre in Colombia in the Department of Valle.