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Silene latifolia

Species category

Weed

Common name

bladder campion

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

D-shaped 

Size

Length 1.2–1.5 mm 
Width 1.2–1.5 mm 
thickness 1–1.2 mm 

Color

Gray, dark, tubercle tips black

Texture

Strong concentric rows of tubercles

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is on the straight side of margin with collar extending to the margin.

Identification notes

Circular margin has a distinct flat side where the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is located. Collar does not completely surround the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 and forms distinct humps on the lateral sides of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Noxious weed seed categories

State Noxious Weed: Connecticut, Washington, Wisconsin

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Caryophyllaceae

Valid name

Silene latifolia Poir.

Synonyms

Lychnis alba Mill.
Lychnis ×loveae B. Boivin
Lychnis vespertina Sibth.
Melandrium album (Mill.) Garcke
Silene alba (Mill.) Krause
Silene pratensis (Raf.) Gren. & Godr.
Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet

Silene latifolia. True seeds with a collar that does not completely surround the hilum.
Silene latifolia. True seeds with a collar that does not completely surround the hilum.
Silene latifolia. True seeds with a circular margin that have a distinct flat side where the hilum is located.
Silene latifolia. True seeds with a circular margin that have a distinct flat side where the hilum is located.