''Lomatium laevigatum'', commonly known as slickrock biscuitroot, is a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

of the Apiaceae family. It grows in basalt cliffs east of the Cascades crest in south-central Washington to Oregon. Its range is limited and considered threatened in Washington State.

References

laevigatum Flora of the Northwestern United States Endemic flora of the United States Taxa named by John Merle Coulter Flora without expected TNC conservation status {{Apiaceae-stub