''Metopium'' or poisonwood is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s in the

sumac Sumac or sumach ( , )—not to be confused with poison sumac—is any of the roughly 35 species of flowering plants in the genus ''Rhus'' (and related genera) of the cashew and mango tree family, Anacardiaceae. However, it is '' Rhus coriaria ...

family,

Anacardiaceae The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce ...

. They are

dioecious Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...

trees with poisonous sap that can induce

contact dermatitis Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling. These rashes ...

Taxonomy

Species

, ''Plants of the World online'' has 4 accepted species: *''

Metopium brownei ''Metopium brownei'' (also known as chechem, chechen, or black poisonwood) is a species of plant in the family Anacardiaceae. Distribution and habitat It is found in Hispaniola (the Dominican Republic and Haiti), Cuba, Jamaica, northern Guatemal ...

'' (Jacq.) Urb. — black poisonwood *''

Metopium gentlei ''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted spec ...

'' *''

Metopium toxiferum ''Metopium toxiferum'', the poisonwood, Florida poisontree, coral sumac, or hog gum, is a species of flowering tree in the cashew or sumac family, Anacardiaceae, that is native to the American Neotropics. It produces the irritant urushiol muc ...

'' (L.) Krug & Urb. — Florida poisonwood *''

Metopium venosum ''Metopium'' or poisonwood is a genus of flowering plants in the sumac family, Anacardiaceae. They are dioecious trees with poisonous sap that can induce contact dermatitis. Taxonomy Species , ''Plants of the World online'' has 4 accepted spec ...

'' (Griseb.) Engl. — Cuban poisonwood

References

External links

Anacardiaceae Anacardiaceae genera Dioecious plants {{Anacardiaceae-stub