Polygonum aviculare subsp. depressum L.
Family: Polygonaceae
common knotweed,  more...
[Polygonum aequale Lindm.,  more]
Polygonum aviculare subsp. depressum image
Robert R. Kowal  
Etymology: Polygonum: derived from the Greek words polys, "many," and gonu, "knee or joint," hence "many joints" because of the thickened joints on the stem
Plants: matting, annual forb; stems with many branches, nodes 2-parted and becoming jagged
Leaves: alternate, bluish-green, all alike, mostly 2-5 times as long as wide, bases jointed
Flowers: white to pink-edged, 5-parted, petals and petal-like sepals joined at base, with flat or rounded tips, outer 3 not longer than the other 2; inflorescence small clusters from the leaf axils
Fruits: dark brown, dull, dry seed
Habitat: disturbed sites, sidewalks, streets
Conservation Status: Introduced - naturalized
Polygonum aviculare subsp. depressum image
Janice Stiefel  
Polygonum aviculare subsp. depressum image
Janice Stiefel  
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Emmet J. Judziewicz  
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
Polygonum aviculare subsp. depressum image
   View Parent       View Specimen Records