Ontario Wildflowers website

Polanisia dodecandra
(formerly Polanisia graveolens)

Clammyweed (Polanisia dodecandra) Other common names: Roughseed Clammyweed

Other scientific names: Polanisia graveolens, Cleome dodecandra

French names: Polansie ŕ douze étamines

Family: Cleome Family (Cleomaceae), (Caper Family (Capparaceae))

Flowers: Summer;  White;  4 parts (petals)

Leaves: Alternate

Habitat: Fields and Open Areas

Books: Newcomb's Wildflower Guide: 146   

Native/Non-native: Native

Photographs: 39 photographs available, of which 5 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Clammyweed (Polanisia dodecandra)

Clammyweed plant.

Clammyweed (Polanisia dodecandra)

Close up view of Clammyweed flowers.

Clammyweed (Polanisia dodecandra)

Clammyweed flower bud.

It's easy to see how this species got its name - it's sticky and readily covered with sand granules.

Clammyweed (Polanisia dodecandra)

An entire Clammyweed plant. It grows in loose sandy beaches.

Clammyweed (Polanisia dodecandra)

Range map for Clammyweed (Polanisia dodecandra)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)