Koenigia polystachya (Wallich ex Meisner) T.M. Schuster ex Reveal. Himalayan Knotweed, Kashmir Plume. Hab: Persistent and spreading from plantings. Dist: Native of Himalayan Asia.
Origin/Endemic status: E. and se. Asia
Syn: = Persicaria wallichii var. wallichii – FNA5, NE; < Koenigia polystachya – Schuster et al (2015); < Persicaria wallichii – K3; < Polygonum polystachyum – C, F, G, (a later homonym)
Hover over a shape, letter, icon, or arrow on the map to see what it means.