Native & Naturalized Plants of the Carolinas & Georgia


3932

Forb (sometimes somewhat woody at base)
Perennial

Non-native: Himalayan Asia
Documented growing wild in - NC -

Rare

Look for it to be persistent and spreading from plantings, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Calyx white
Bisexual
5-lobed rotate calyx
Petals absent
8 stamens
Superior ovary
Inflorescences panicle-like, mostly terminal, sometimes also axillary

FRUIT:
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales

WEAKLEY'S FLORA (5/21/15):
Persicaria wallichii var. wallichii   FAMILY Polygonaceae

(?) LESS THAN PLANTS NATIONAL DATABASE:
Polygonum polystachyum   FAMILY Polygonaceae

LESS THAN Reynoutria polystachya

LESS THAN Aconogonon polystachyum

 

COMMON NAME:
Himalayan Knotweed, Kashmir Plume, cultivated knotweed


Click or hover over the thumbnails to see larger pictures.

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4284

September    Haywood County    NC

Roadside

Inflorescences mostly terminal, sometimes also axillary, paniclelike, per Flora of North America.

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4285

September    Haywood County    NC

Roadside

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4286

September    Haywood County    NC

Roadside

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4286b

September    Haywood County    NC

Roadside

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4287

September    Haywood County    NC

Roadside

This particular patch is about 60' long by 20' wide.

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4288

September    Haywood County    NC

Roadside

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_4289

September    Haywood County    NC

Roadside

Leaf blade lanceolate to elliptic-lanceolate, without dark blotch, per Flora of North America.

image of Persicaria wallichii var. wallichii

Ron Lance    rwl_p_polystachyum

October    Haywood County    NC

This patch is about 15' wide by 60' long.