A novel purple-red pigment from the plant genus of Allium (onions, leeks), subgenus Melanocrommyum (drumstick onions), is described. Because this pigment, which reminds blood, some species are used in Southwest and Central Asia as herbal medications, spices or vegetables. proposal for formation structure provided, first example a tetrathiaporphyrin nature. The described substance shows low stab...

The genus Allium comprises about 700 species. Several of them are important vegetables, spices and medicinal plants. The most important crop species are onion and shallot, Allium cepa L., garlic, Allium sativum L., leek, Allium ampeloprasum L. s.l., bunching onion, A. fistulosum L., chives, A. schoenoprasum L., Chinese chives, A. tuberosum Rottl. ex Spr., and rakkyo, A. chinense G. Don. Many ot...

The pollen morphology of 23 Allium L. species, grown in Turkey, belonging to the sections; Rhizirideum, Schoenoprasum, Cepa, Molium, Brevispatha, Scorodon, Acanthoprason and Melanocrommyum, were investigated by LM (light microscopy), TEM (transmission electron microscope), SEM (scanning microscopy). This paper presents detailed morphological features are given for these taxa. Common characteris...

La section Melanocrommyum Webb & Berthel. du genre Allium L., de barycentre irano-anatolien, a longtemps été considérée sous une seule espèce en Europe l'ouest et au Maghreb, à savoir la messicole archéophyte nigrum L.. découverte d'Allium cyrilli Ten. Algérie vient confirmer coexistence des deux espèces comme cela récemment mis évidence France Espagne. Nous donnons comparaison détaillée illust...

Allium ekimianum is described here as a new species. This taxon belongs to the genus Allium section Allium and grows in Elazığ Province (East Anatolia, Turkey). It is a narrowly distributed species and morphologically most similar to Allium asperiflorum and Allium sintenisii, and Allium erzincanicum but it is clearly differentiated due to the curved stem, smooth pedicel surfaces, bracteole arra...