[4][5] The stamen of A. cubensis are free, similar to those found in Piriqueta.

Its chromosomes are similar in size to that of Turnera but larger than that of Piriqueta.

[4] Originally, classified as Piriqueta cubensis by Britton & P.Wilson in 1915[3], it would later be reclassified as Adenoa by MM Arbo in 1977.

[9] Herbarium specimen have been collected between Rio Yamaniguey and Camp Toa, Oriente Province, and Sierra de Nipe[3] As of 2023, A. cubensis is classified as vulnerable.

This decrease is likely the result of mining, fires, logging, forest management and urbanization.