*Koenigia polystachya (Wallich ex Meisner) T.M. Schuster ex Reveal. Himalayan Knotweed, Kashmir Plume. Phen: Aug-Sep. Hab: Persistent and spreading from plantings. Dist: Native of Himalayan Asia.
Origin/Endemic status: E. and se. Asia
Synonymy: = n/a – RAB; = Persicaria wallichii Greuter & Burdet var. wallichii – FNA5, NE; < Aconogonon polystachyum (Wall. ex Meisn.) M.Král; < Koenigia polystachya (Wall. ex Meisn.) T.M.Schust. ex Reveal – Schuster et al (2015); < Persicaria wallichii Greuter & Burdet – K3; < Polygonum polystachyum Wall. ex Meisn. – C, F, G, (a later homonym); < Reynoutria polystachya (Wall. ex Meisn.) Moldenke; < Rubrivena polystachya (Wall. ex Meisn.) M.Král
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