Weed
swamp milkweed
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.
Oblanceolate
Reddish brown to brown
Dimples on wings are papery and faint.
Marginal wing
Many of the milkweeds look similar. This one has the typical rapheRaphe:
A seam or ridge found on seeds.
along one side and the raised outline of the embryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
on the other.
State Noxious Weed: Hawaii
Not included
Asclepiadaceae
Asclepias incarnata L.
