Oryza barthii

Oryza barthii is the AA genome progenitor of the West African cultivated rice, O. glaberrima. It belongs to the AA genome group and has 12 chromosomes and a nuclear genome size of 411 Mb (flow cytometry). It is found in mopane or savanna woodland, savanna or fadama. Grows in deep water, seasonally flooded land, stagnant water, and slowly flowing water or pools; prefers clay or black cotton soils. Found in open habitats.
Source : Ensembl Plants