Weed
bristly oxtongue
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.
with beak
Yellow
TransverseTransverse:
Set crosswise, crossing or at right angles.
ridges
ApexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
with narrow beak
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. narrowly obovateObovate:
Inverted egg shaped with apical end the broadest., bent, and ovalOval:
Broadly elliptic.
in cross section. ApexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar. rounded and terminating in a narrow beak, which breaks off at various lengths. Color yellow to light brown. Surface with transverseTransverse:
Set crosswise, crossing or at right angles.
ridges which are narrow and crowded at the base and gradually become wider and deeper approaching the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.. Scar basalBasal:
The base of the fruit or seed opposite the apical end.
.
Not listed
Not included
Asteraceae
Picris echioides L.
Helminthotheca echioides (L.) Holub
