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Ray's Knotgrass

Polygonum oxyspermum

Plant Data

Order:
Caryophyllales
Family:
Polygonaceae (Dock)
Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Flowers:
The tiny green, white or pink flowers appear in auxiliary clusters of 2 to 6. Flowers have 5 petals (actually tepals).
Fruit:
Shiny, 3-sided, chestnut brown nutlets which develop immediately after flowering. The nutlets protrude out of the dead flowers.
Leaves:
More compact and larger than Common Knotgrass. The narrow leaves have pale, greyish-brown tips. Each leaf is up to 3.5cm in length and has between 3 to 6 unbranched veins.
Maximum Size:
Spreads up to 80cm.
Habitats:
Beaches, sand dunes, seaside.