Striate Knotweed
Polygonum achoreum
Striate Knotweed
Flower Pulled Apart I
Regina
18-August-2024
The flowers are closed, whereas the flowers of P. aviculare are closed or semi-open. However, the tepals of this flower (particularly the near one) have been manually pulled outward to reveal the interior.
The perianth tube is 40-55% of perianth length, whereas in P. aviculare the perianth tube is 20-57% of perianth length. The tepals are yellow-green (only rarely pinkish), whereas the tepals of P. aviculare are green or reddish brown with white, pink, or red margins.
A key to all species of family Polygonaceae that are found in Alberta,
written by Lorna Allen and Linda Kershaw, is found here.
A key to Saskatchewan species of genus Polygonum, derived from the key in
the Flora of North America, is found here.
 | Polygonaceae: Answers to key questions in Budd's Flora leading to this family. The answers do not all apply to all genera in Polygonaceae, but they all do apply to genus Polygonum.
|
