Weed
blue fieldmadder, field madder
MericarpMericarp:
One-half of a two-sectioned fruit known as a schizocarp (e.g. carrot).
ObovateObovate:
Inverted egg shaped with apical end the broadest.
Black with white spines and appressedAppressed:
Pressed close or lying flat against something.
hairs
Scattered, short appressedAppressed:
Pressed close or lying flat against something.
hairs but larger at the base
Three spines on apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
MericarpMericarp:
One-half of a two-sectioned fruit known as a schizocarp (e.g. carrot). with three large, pointed spines at the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.. 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.
surface and spines contain scattered appressedAppressed:
Pressed close or lying flat against something.
hairs; hairs are considerably larger at the base on the scar side.
Not listed
Included
Rubiaceae
Sherardia arvensis L.
