Other plants that may be confused with thistles are Prickly lettuce Lactuca serriola, Prickly poppy Argemone polyanthemos which has a white poppy flower, Prickly sow thistle, Sonchus asper, Yellow ...

Other plants that may be confused with thistles are prickly lettuce, Lactuca serriola; prickly poppy, Argemone polyanthemos, which has a white poppy flower; prickly sowthistle, Sonchus asper, and ...

This article was originally published with the title “Cultivation of Opium in the United States” in Scientific American Magazine Vol. 20 No. 23 (June 1869), p. 362 doi:10.1038 ...

In North Greenland Papaver radicatum occurs with white flowers together with the well-known type with yellow flower color. The white type is most frequent at low altitudes near the coast. With ...

The California poppy, Eschscholzia californica, is a tough, fast-growing, drought-tolerant, self-seeding California native wildflower. It is indigenous to western North America.

Endophytes promote plant growth, provide protection from environmental stresses and are the source of important secondary metabolites. Here, we established that the endophytes of opium poppy Papaver ...