Urtica

M. Weigend, Urtica dioica subsp. cypria, with a re-evaluation of the U. dioica group (Urticaceae) in western Asia in Willdenowia 36. 2006R. D. Meikle, Flora of Cyprus 2. 1985
but modified
1Perennial plants with tough, creeping rhizomes
1'Annual plants
2Plants always monoecious, parts of it with few stinging hairs (less than 10 per internode or adaxial leaf surface in upper leaves); male inflorescence branches at lower nodes more or less equalling petioles
2'Plants mostly dioecious, densely covered with stinging hairs throughout; male inflorescence branches at lower nodes much longer than petioles
3Female inflorescence a pedunculate, dense, globose capitulum
3'Female inflorescence not dense or globose
4Male inflorescence a condensed axillary spike or cluster, much shorter than the subtending leaf, with inconspicuous rhachis
4'Male inflorescence elongate, caudate, much longer than the subtending leaf, with a conspicuous, membranous, flattened rhachis