Posoqueria is a genus of flowering plants in the family Rubiaceae. The genus is found Mexico to tropical America.
Cytology The chromosome count of Posoqueria latifolia is 2n = 32, 34, or 36.Kiehn, M., & Berger, A. (2020). Neotropical Rubiaceae: Synthesis of chromosome data from Costa Rican taxa, with insights on the systematics of the family. Annals of the Missouri Botanical Garden, 105(4), 423–458. https://www.jstor.org/stable/27098317
Taxonomy It was described by Jean Baptiste Christophore Fusée Aublet in 1775 with Posoqueria longiflora as the type species.Missouri Botanical Garden. (n.d.). Posoqueria Aubl. Tropicos. Retrieved September 17, 2025, from https://www.tropicos.org/name/40015341Aublet, Fusée. (1775). Histoire des plantes de la Guiane Françoise : rangées suivant la méthode sexuelle, avec plusieurs mémoires sur différens objects intéressans, relatifs à la culture & au commerce de la Guiane Françoise, & une notice des plantes de l’Isle-de-France ... (Vol. 1, p. 133). P. F. Didot jeune. https://www.biodiversitylibrary.org/page/362109 Species
Posoqueria acutifolia Mart. Posoqueria bahiensis Macias & L.S.Kinosh. Posoqueria calantha Barb.Rodr. Posoqueria chocoana C.M.Taylor Posoqueria coriacea M.Martens & Galeotti Posoqueria correana C.M.Taylor Posoqueria costaricensis C.M.Taylor Posoqueria fragrantissima Linden & André Posoqueria grandiflora Standl. Posoqueria grandifructa Hammel & C.M.Taylor Posoqueria laevis C.M.Taylor Posoqueria latifolia (Rudge) Schult. Posoqueria laurifolia Mart. Posoqueria longifilamentosa C.M.Taylor Posoqueria longiflora Aubl. Posoqueria palustris Mart. Posoqueria platysiphonia Rusby Posoqueria robusta Hammel & C.M.Taylor Posoqueria tarairensis C.M.Taylor Posoqueria trinitatis DC. Posoqueria velutina Standl. Posoqueria williamsii Steyerm.
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