A recent study of the expression of floral organ identity genes in buttercups, poppies and their relatives has shed light on the evolutionary origin of petals.

Levels of opium poppy cultivation in Afghanistan’s provinces and districts rise and fall depending on a range of factors that are not well understood. Declines in cultivation are often attributed to the political commitment of the provincial and local authorities and the role of information campaigns, while the underlying power and economic dynamics that drive these changes receive little atten...

papaver fugax poiret population khalkhal was shown to contain four major alkaloids, roemerine (0.19%), mecamberine (0.39%), liriodenine (0.20%) and salutaridine (0.10%). papaver caucasicum m. b. population elika was shown to contain four major alkaloids, nuciferine (0.50%), amurensinine (0.15%), lysicamine (0.30%) and nornuciferine (0.40%). lysicarnine and nornuciferine were detected for the fi...

Papaver fugax Poiret population Khalkhal was shown to contain four major alkaloids, roemerine (0.19%), mecamberine (0.39%), liriodenine (0.20%) and salutaridine (0.10%). Papaver caucasicum M. B. population Elika was shown to contain four major alkaloids, nuciferine (0.50%), amurensinine (0.15%), lysicamine (0.30%) and nornuciferine (0.40%). Lysicarnine and nornuciferine were detected for t...

Original publication: Laila M. Karlsson and Per Milberg, Seed dormancy pattern and germination preferences of the South African annual Papaver aculeatum, 2007, South African Journal of Botany, (73), 422-428. http://dx.doi.org/10.1016/j.sajb.2007.03.007. Copyright: Elsevier B.V., http://www.elsevier.com/ Postprint available free at: Linköping University E-Press: http://urn.kb.se/resolve?urn=urn:...