Ladenbergia oblongifolia, many synonyms, including Ladenbergia gavanensis, is a species of plant in the family Rubiaceae.

It is native to the north-west of South America: Bolivia, northern Brazil, Colombia, Ecuador, Peru and Venezuela.

[1] Ladenbergia gavanensis was assessed as "vulnerable" in the 1998 IUCN Red List, where it is said to be native only to Peru.

[2] As of February 2023[update], L. gavanensis was regarded as a synonym of Ladenbergia oblongifolia, which has a much wider distribution.

This Rubiaceae article is a stub.