Marah horrida, common name Sierra manroot,USDA Plants Profile for Marah horridus is a species of flowering plant in the family Cucurbitaceae, endemic to the foothills of the Sierra Nevada and the Tehachapi Mountains in California. It grows in open and shrubby areas below elevation.Jepson eFlora Treatment for Marah horrida
Description
Marah horrida 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 long, containing 6-24 seeds, each long.
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