Le groupe de Papaver dubium (Papaveraceae) en Lorraine belge

The Papaver dubium group (Papaveraceae) in Belgian Lorraine. – During a research in the extreme south of Belgium, the plants of P. dubium s.l. could be divided into three ‘phenotypes’ (P1, P2 and P3) based on a combination of characters: the color of fresh and dry latex, the shape and pilosity of the buds, the shape of the capsules and secondarily some characters of the rosette leaves and of the upper stem leaves. An initial distribution map was established in 2019-2020 for each phenotype. Roadsides, railway environments, cemeteries and reworked areas are the habitats most frequently occupied... Mehr ...