Strand Memorial Herbarium

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Family: Polygonaceae   Buckwheat Family
Mostly herbaceous plants with some shrubs, trees, and vines. Distinctive membranous sheath (ochrea) that unite the stipules are present in most genera.

Genus: Polygonum   Knotweed, Smartweed

Scientific Name: Polygonum aviculare L.
Common Name(s): Prostrate Knotweed, Common Knotweed, Knotgrass, Knotweed
Growth Type: annual/perennial
Species Description:


Click on the thumbnails to view large image.

Caption:

ID: Hrb-POLAV-001
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Caption:

ID: Hrb-POLAV-002
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf, root, stem, vegetative
Caption:

ID: Hrb-POLAV-003
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf, vegetative
Caption:

ID: Hrb-POLAV-004
Source: 35mm slide (photo)
Credit:
Keyword(s): vegetative
Caption:

ID: Hrb-POLAV-005
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
Caption:

ID: Hrb-POLAV-006
Source: 35mm slide (photo)
Credit:
Keyword(s): vegetative
Caption:

ID: Hrb-POLAV-007
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
Caption:

ID: Hrb-POLAV-008
Source: 35mm slide (photo)
Credit:
Keyword(s): seed