Weed
cowpea witchweed, witchweed
True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.
Irregularly obovateObovate:
Inverted egg shaped with apical end the broadest.
Dark brown
Glossy with many longitudinal ridges
HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is on the narrow end.
Ridges are large and strongly tuberculateTuberculate:
Having small pimple-like protuberances.
on their rims.
State Noxious Weed: Hawaii
Federal
Learn more about Striga spp. on ITP's Federal Noxious Weed Disseminules tool.
Not included
Orobanchaceae
Striga gesnerioides (Willd.) Vatke
Buchnera gesnerioides Willd.
Buchnera orobanchoides R. Br.
Striga chloroleuca Dinter
Striga orchidea Hochst.
Striga orobanchoides (R. Br.) Benth.
