Monteiroa is a genus of flowering plants belonging to the family Malvaceae.

[1] Its native range is south-eastern and southern Brazil, Uruguay and north-eastern Argentina.

[1] The genus name of Monteiroa is in honour of Honório da Costa Monteiro Filho (1900–1978), a Brazilian professor of botany and director of the national school of agriculture in Rio de Janeiro and was a specialist in Malvaceae.

[2] It was first described and published in Bol.

Bot.