Ephedra distachya subsp. helvetica

Ephedra distachya subsp. helvetica belongs to the Ephedraceae family, a group of gymnosperms commonly known as jointfirs. This subspecies was formally recognized in 1897 by Asch. & Graebn., based on earlier work by C.A.Mey. on the species Ephedra distachya. The classification reflects morphological or geographic distinctions within the species. The subspecies is part of a broader taxonomic framework used to categorize and study Ephedra species, which are known for their medicinal properties and ecological roles in arid and semi-arid regions.