Weed
curly dock, narrowleaf dock, sour dock, yellow dock
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.
ObovateObovate:
Inverted egg shaped with apical end the broadest.
, triangular in cross section
Dark brown
Smooth
AchenesAchene:
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.
ridges are recurved at the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
and base. AchenesAchene:
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.
have sharp raised ridges.
Margins of the calyces are relatively smooth. Callosities present on the calyx.
State Noxious Weed: Alabama, Arkansas, Colorado, Connecticut, Florida, Iowa, Illinois, Indiana, Georgia, Kansas, Louisiana, Michigan, Mississippi, Missouri, Montana, Nebraska, Nevada, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Washington, West Virginia, Wyoming
Included
For more information, see ISMA fact sheet.
Polygonaceae
Rumex crispus L.
Rumex crispus L. ssp. crispus
Rumex crispus L. ssp. fauriei (Rech. f.) Mosyakin & W.L. Wagner
Rumex fauriei Rech. f.