Flow cytometric, chromosomal and morphometric analyses challenge current taxonomic concepts in the Portulaca oleracea complex (Portulacaeae, Caryophyllales)

• Published in: Botanical journal of the Linnean Society Vol. 179; no. 1; pp. 144 - 156
• Main Authors: Walter, Johannes, Vekslyarska, Tetyana, Dobeš, Christoph
• Format: Journal Article
• Language: English
• Published: Oxford Blackwell Publishing Ltd 01.09.2015; Oxford University Press
• Subjects: Caryophyllales; flow cytometry; polyploidy; Portulaca grandiflora; Portulaca oleracea; seed; taxonomy

Portulaca oleracea is a noxious annual weed of worldwide distribution in temperate to tropical climates. Its taxonomy has been treated in contradictory ways in the past. Various microspecies have been described, lumped into a single species by other authors. We re‐examined the importance of seed siz...