Question

For the following North American species:

•Poison Ivy (Toxicodendron radicans)

•Poison Oaks (T. diversilobum and T. pubescens)

•Poison Sumac (T. vernix)

Please find

Taxonomy: plant family for each genus.

•Type of Plant: are the species annual, biennial or perennial; herbaceous or woody?

•Habitat and Ecology: environmental requirements of each species.

•Distribution: both native and humanintroduced distributions of each species.

•Phytochemistry type and name of chemical(s) responsible for skin irritation.

•Nature of Dermatological Reaction:how it occurs;symptoms, longevity, severity,etc.

•Treatment:methods for alleviating symptoms of dermatological reacion

Answer 1

Taxonomy: Family

Poison Ivy: Anacardiaceae

Poison Oaks: Anacardiaceae

Poison Sumac: Anacardiaceae

Type of Plant

Poison Ivy: Woody perennial, American native extended from Canada to south amarica. All parts release an oil causes severe dermatitis.

Poison Sumac:Large shrub to small tree, Southeastern US. Its smoke can be lethal if inhaled

Poison Oaks :Woody perennial, Native to california,Cause dermititis inflammation, blistering.

Chemial release from the three species is Urushiol which cause allergic reactions.