Weed
arrowhead rattlebox, arrow crotalaria
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.
Mitten
Black or dark brown
Smooth and shiny
Slight hook in the radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
lobe
HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is between the radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
and the cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
lobes.
State Noxious Weed: Alabama, Arkansas, Georgia, Mississippi
Not included
Fabaceae
Crotalaria sagittalis L.
Crotalaria pilosa Raf.
Crotalaria sagittalis L. var. blumeriana H. Senn
Crotalaria sagittalis L. var. fruticosa (Mill.) Fawc. & Rendle