Weed
pale dock, smooth 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
Angles are acute and appear narrowly winged. Ridges do not recurve near the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
and base.
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.
three-sided with the ridges where sides meet being sharp and slightly raised (winged). Ridges approach the 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.
ends in a straight line and usually do not recurve. Calyx with a wavy margin and central callositie.
State Noxious Weed: Alabama, Arkansas, Connecticut, Georgia, Iowa, Kansas, Louisiana, Mississippi, Missouri, Nebraska, Oklahoma, South Carolina, Tennessee, Texas, Washington
Not included
For more information, see ISMA fact sheet, Rumex spp.
Polygonaceae
Rumex altissimus Alph. Wood
Rumex britannica Meisn., non L.
Rumex brittanicus Meisn., orth. var.
Rumex ellipticus Greene