Halimione portulacoides the sea shores of western and southern Europe, and from the Mediterranean Sea to western Asia. Copeland Islands (Co. Down). Botanical synonyms include "Atriplex portulacoides" L. and "Obione portulacoides" (L.) Moq. Recent phylogenetic research revealed, that "Halimione" is a distinct genus and can not be included in "Atriplex". Halimione portulacoides Halimione portulacoides or sea purslane (2n=36) is a small greyish-green shrub widely distributed in temperate Eurasia and parts of Africa. A halophyte, it is found in salt marshes and coastal dunes, and is usually flooded at high tide. The plant grows to 75 cm. It is evergreen, and in northern
Geography of Asia to Scythia. The relatively recent study of plate tectonics has discovered that Asia has several regions that would be considered distinct landmasses if strictly geologic and tectonic criteria were used (for example, South Asia and East Asia). Definition of "continental plates" is the realm of geologists. Strictly in terms of geological landmasses or tectonic plates, Europe is a western peninsula of Eurasia and of the Africa-Eurasia landmass. In the latter, Europe and Asia are parts of the Eurasian plate, which excludes the Arabian and Indian tectonic plates. In human geography, there are several schools of thought. The more common school