Weed
hairy sedge
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.
Top view–elliptic
Cross-section–triangular
Brown
Smooth
PerigyniumPerigynium:
The saclike bract that subtends the pistillate flower of sedges (Carex), which in fruit becomes a flask-shaped envelope surrounding the fruit (achene).
is lanceolate with fine longitudinal lines.
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. are lighter brown on the corners.
Not listed
Not included
Cyperaceae
Carex lacustris Willd.
Carex riparia M.A. Curtis var. lacustris (Willd.) Kük.
