Parogonum ciliinode (Michaux) Desjardins & J.P. Bailey. Phen: Jun-Sep. Hab: Around rock outcrops, in openings, glades, and open woodlands at high elevations. Dist: NL (Newfoundland) west to SK, south to PA, w. NC, n. GA, e. TN, IN, IL, and MN.
Origin/Endemic status: Native
Taxonomy Comments: The epithet "cilinode" (as spelled by Michaux) is a correctable orthographic error for "ciliinode", thus combinations in the various genera in which this taxon has been placed should be based on the corrected spelling.
Synonymy: = Desjardins et al (2023); = Bilderdykia cilinodis (Michx.) Greene – S, orthographic variant; = Fallopia ciliinodis (Michx.) Holub – K4; = Fallopia cilinodis (Michx.) Holub – FNA5, Il, K3, Mi, NE, NY, Pa, Tn, Va, orthographic variant; = Polygonum cilinode Michx. – C, K1, RAB, W, Horton (1972), Mitchell & Dean (1978), orthographic variant; = Reynoutria ciliinodis (Michx.) Shinners; = Tiniaria ciliinodis (Michx.) Small; > Polygonum cilinode Michx. var. cilinode – F, WV, orthographic variant; > Polygonum cilinode Michx. var. laevigatum Fernald – F, WV, orthographic variant