Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (5/21/15):
Persicaria wallichii var. wallichii
FAMILY
Polygonaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Himalayan Knotweed at Vascular Plants of North Carolina.
(?) INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Polygonum polystachyum
FAMILY
Polygonaceae
INCLUDED WITHIN
-
Aconogonon polystachyum
INCLUDED WITHIN
-
Reynoutria polystachya
COMMON NAME:
Himalayan Knotweed, Kashmir Plume, cultivated knotweed
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Ron Lance rwl_4284
September Haywood County NC
Roadside
Inflorescences paniclelike, mostly terminal and sometimes also axillary, per Flora of North America.
Ron Lance rwl_4287
September Haywood County NC
Roadside
This particular patch is about 60' long by 20' wide.
Ron Lance rwl_4289
September Haywood County NC
Roadside
Leaf blade lanceolate to elliptic-lanceolate, without dark blotch, per Flora of North America.
WEAKLEY'S FLORA (5/21/15):
Persicaria wallichii var. wallichii
FAMILY
Polygonaceae
(?) INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Polygonum polystachyum
FAMILY
Polygonaceae
INCLUDED WITHIN
-
Aconogonon polystachyum
INCLUDED WITHIN
-
Reynoutria polystachya