Halimione [SEP] parent taxon
Halimione
Halimione is a plant genus from the subfamily Chenopodioideae in the family Amaranthaceae. It is a sister genus of "Atriplex" and has sometimes been included in this genus.
Description.
The species in genus "Halimione" are annual or perennial herbs with silvery grey stems and leaves. 
Their stems grow prostrate, ascending or erect. The leaves are opposite in lower part and alternate in upper part of the plants. The leaf blade is oblong with entire margins.
Plants are monoecious. The spicate inflorescences
Taxon in disguise
In bacteriology, a taxon in disguise is a species, genus or higher unit of biological classification whose evolutionary history reveals has evolved from another unit of similar or lower rank, making the parent unit paraphyletic. This happens when rapid evolution makes a new species appear radically different from the ancestral group, so that it is not (initially) recognised as belonging to the parent phylogenetic group, leaving the latter an evolutionary grade.
While the term is from bacteriology, parallel examples are found throughout the tree of