Weed
black bindweed
AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.
and triangular
Black
Flat surfaces are rough. Corners are rounded, smooth, and shiny.
Remnants of floral parts present.
AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat. uniformly triangular in cross section; apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
and basalBasal:
The base of the fruit or seed opposite the apical end.
halves are uniformly pointed. The linear embryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
is located in a corner.
Not listed
Included
Polygonaceae
Polygonum convolvulus L. var. convolvulus
Bilderdykia convolvulus (L.) Dumort.
Fallopia convolvulus (L.) Á. Löve
Reynoutria convolvulus (L.) Shinners
Tiniaria convolvulus (L.) Webb & Moq.
