The sharpleaf valerian (Valeriana acutiloba) belongs to Valerianaceae (the Valerian family). It is a perennial herb that is native to the western United States, from Oregon east to Montana south to California and New Mexico. This tree grows in subalpine rocky slopes or meadows, and it can reach 10-60 cm in height. The basal leaves are obovate-spatulate to oblong or ovate, mostly undivided, and the cauline leaves are mostly pinnatifid. The small white flowers bloom in a top cluster from June to July. The fruits are achenes, ribbed, 3.5-5.5 mm long.