Family - Cucurbitaceae

Stems - No info yet.

Tendril.

Leaves - No info yet.

Adaxial surface.

Abaxial surface.

Leaf surface close-up.

Inflorescence - No info yet.

Flowers - No info yet.

Flower, side-view.

Immature fruit.

Mature fruit.

Flowering - June - September.

Habitat - Railroad embankments, roadsides, fields, waste ground.

Origin - Native to U.S. and Mexico.

Other info. - This vining pumpkin species can be found in scattered counties throughout Missouri. The plant can be identified by its scabrous stems, harsh, ovate leaves, and globose fruits.
The species name "foetidissima" means "the most smelly." Barely crushing or disturbing any part of the plant emits the incredibly foul odor. This fruits contain saponin glycosides and will foam like soap when crushed in water.

Photographs taken at Tall Grass Prairie National Preserve, KS., 9-20-09.