Weed
fox 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.
Circular (top view), ovalOval:
Broadly elliptic.
(cross-section)
Black
GlandularGlandular:
The surface appearing to be covered with minute glands or spheres.
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 obovateObovate:
Inverted egg shaped with apical end the broadest.
with longitudinal ribs.
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.
loosely covered by the perigyniumPerigynium:
The saclike bract that subtends the pistillate flower of sedges (Carex), which in fruit becomes a flask-shaped envelope surrounding the fruit (achene).
.
Not listed
Not included
Cyperaceae
Carex vulpinoidea Michx.