Family
Convolvulaceae
Synonyms
Convolvulus sepium
Distribution in Canada
Found in Canada
Duration of life cycle
Perennial
Seed/Fruit type
True seed
Seed identification features
Size
- length: 3.5–5.0 mm
- width: 3.5–4.0 mm
Shape
- in outline: oval
- in cross-section: rounded-triangular
Surface texture
- smooth, dull
- may have scattered small tubercles (wart-like projections)
Colour
- surface is a light to dark reddish-brown
Other structures
- hilum is a diagonal area on inner surface of seed
- hilum is shaped like a half-circle, and often orange in colour
Similar species
Field bindweed (Convolvulus arvensis)
- found across Canada and the United States
- similar to great bindweed in shape, size, reddish-brown colour and diagonal hilum
- ~0.5 mm smaller than great bindweed
- covered with network of fine lines and dense tubercles
- hilum is oval in shape (hilum is D-shaped in great bindweed)
Photos
Similar species
