Sierra Manroot

Description

Marah horridus is a perennial vine growing from a large, branched tuber. It produces a climbing stem with tendrils and many lobed, rounded leaves. The flowers are white. The fruit is an oblong, densely prickly capsule 9-20 cm (5-10 in) long, containing 6-24 seeds, each 26-32 mm (1.0-1.3 in) long.