Gladiolus mariae

{{Short description|Species of flowering plant}}

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|genus = Gladiolus

|species = mariae

|authority = van der Burgt{{cite web |last1=van der Burgt |first1=Xander |last2=Konomou |first2=Gbamon |last3=Haba |first3=Pepe |last4=Magassouba |first4=Sekou |title=Gladiolus mariae (Iridaceae), a new species from fire-free shrubland in the Kounounkan Massif, Guinea |url=https://www.researchgate.net/publication/332478524_Gladiolus_mariae_Iridaceae_a_new_species_from_fire-free_shrubland_in_the_Kounounkan_Massif_Guinea |website=ResearchGate |accessdate=24 December 2019 |date=April 2019}}

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Gladiolus mariae is a species of the genus Gladiolus of perennial cormous flowering plants in the family Iridaceae.

The species was first described in 2019, found growing endemicly on two table mountains in the Kounounkan Forest Reserve near Moussaya, Forécariah, Guinea, West Africa. It was named as one of Kew Gardens Top 10 plants discovered in 2019 and has been assessed as potentially critically endangered.{{cite web |title=Ten amazing new plant and fungi discoveries in 2019 – in pictures |url=https://www.theguardian.com/environment/gallery/2019/dec/17/amazing-new-plants-fungi-discoveries-2019-royal-botanic-gardens-kew-in-pictures?page=with%3Aimg-6 |website=The Guardian |accessdate=24 December 2019 |date=17 December 2019}}{{cite web |last1=Couch |first1=Charlotte |last2=Magassouba |first2=Sékou |last3=Rokni |first3=Saba |last4=Canteiro |first4=Catia |last5=Williams |first5=Emma |last6=Cheek |first6=Martin |title=Threatened plants species of Guinea-Conakry: A preliminary checklist |url=https://peerj.com/preprints/3451.pdf |website=PeerJ |accessdate=27 December 2019}}