Fallopia FNA Key - Sask

The following key was created as follows:

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Started with key to Polygonum species in the Flora of North America (FNA)

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Removed all species not found in Saskatchewan according to FNA distribution maps.

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Added rarity/abundance information, also taken from Harms. CC - very common, C - common, FC - fairly common, UC - uncommon, VUL - vulnerable, THR - threatened, END  - endangered, ADV? - possibly adventive, R - rare (applies to introduced species only).

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Added common names.

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Linked species name to species description in Flora of North America

1.  Ocreae bases fringed with reflexed hairs and slender bristles.  Fallopia cilinodis
     Ocreae bases glabrous or scabrid.  (2)

2. Achenes minutely granular-tuberculate, dull; fruiting perianths glabrous or with blunt, hyaline hairs, wings absent or, rarely, 0.4-0.9 mm wide; plants annual.  Fallopia convolvulus
    Achenes smooth, shiny; fruiting perianths glabrous, wings (0.7-)1.5-2.1 mm wide; plants perennial or annual.  Fallopia scandens