It has long, narrow leaves, these being reminiscent of the unrelated Hemp Nettles, Galeopsis.
Urtica | Urtica dioica | Silene dioica | ''Rhagodia preissii'' subsp. ''obovata'' | Muehlenbeckia horrida subsp. abdita | ''Eremophila denticulata'' subsp. ''denticulata'' | ''Anigozanthos bicolor'' subsp. ''minor'' | Acer pictum subsp. mono | Urtica incisa | ''U. m.'' subsp. ''angustifolia'' | ''Tabebuia chrysantha'' subsp. ''meridionalis'' | Phytolacca dioica | Olea europaea subsp. cuspidata | ''Mycoplasma capricolum subsp. capricolum'' | ''Muehlenbeckia horrida'' subsp. ''abdita'' | ''M. mycoides'' subsp. ''mycoides'' | ''M. mycoides'' subsp. ''capri'' | ''M. capricolum ''subsp. ''capripneumoniae'' | Lactobacillus delbrueckii subsp. bulgaricus | ''Juniperus communis'' subsp. ''alpina'', in Vitosha | Banksia integrifolia subsp. integrifolia | ''Banksia integrifolia'' subsp. ''integrifolia'' | ''Arisaema thunbergii'' subsp. ''urashima'' on Mt. Ryozen (Suzuka Mountains | ''A. obovatum'' subsp. ''lanceolatum'' |