Pollen and ovule production data of ancestral and descendant populations of Viola arvensis in four location of the Parisian region

Ancestral populations were collected in the field in 90's-2000's and conserved in seedbanks and descendant were collected in the field in 2021. A first generation was grown in common garden in 2021.

Using mothers from the first generation, a second generation composed of families of 5 siblings was grown in controlled greenhouses in 2022. We measured pollen and ovule productions in this second generation. Measurements were made following the methods described in this article: doi.org/10.1093/aob/mcaf203.