favicon Wildflower Identification Website.        Search for wildflowers by location, color, shape and time.       Click here for Instructions.       Login
Search Results
Polygonum argyrocoleon
Persian knotweed Smartweed-Buckwheat Family
Polygonum argyrocoleon Polygonaceae
--more--
common names
  Persian knotweed
  silversheath knotweed
accepted scientific name
  Polygonum argyrocoleon Steud. ex Kunze
rules for finding collection records
  Polygonum argyrocoleon (434)
family name
  Polygonaceae
Image Author: ©2006 Jay Sullivan
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Leaf: Alternate
Plant Observed last week of January thru 3rd week of November

How Likely at this Location (18%)
Name Match (100%)
Plant Showiness (36%)
Links to Plant Photos
Tony Valois NPS (8)
Cal Photos (12)
Jay Sullivan (1)
base map where plant found
mag select

Disturbed
Riparian
Desert
Grassland
Forest
Wetland
Salt Marsh
Native Plant Status
native status map native status map native status map native status map native status map native status map native status map native status map native status map
native Not Native
native Not Present

grid lines base