Flower
broadfruit bur-reed
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.
Conical
Dark brown
Smooth
Straplike structures arise from the base.
Remnant of style on the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.
Not listed
Not included
Sparganiaceae
Sparganium eurycarpum Engelm.
Sparganium californicum Greene
Sparganium eurycarpum Engelm. ssp. eurycarpum
