NAME: Toxicodendron radicans (C. Linnaeus) K. E. O. Kuntze Sy = Rhus toxicodenron C. Linnaeus

PLANT FAMILY: Anacardiaceae

COMMON NAME: poison ivy

APERTURATION: Tricolporate

ORNAMENTATION: Striate

POLLINATION SYNDROME: Entomophilous

SIZE: Equatorial - about 25-55 µm

SHAPE: Elliptical in equatorial view

FLOWERING DATE: April - October in Texas

NOTES: The flowers are small and cream to greenish in color. They are visited by many different types of insects including honeybees. Pollen from poison ivy is very common in honey samples through out the United States. In autumn poison ivy leaves turn brilliant scarlet or orange.