Xanthorhiza
XANTHORHIZA APIIFOLIA.--Yellow-root. Pennsylvania, 1776. A small growing
shrub, with yellow creeping roots, from which suckers are thrown up
profusely. The leaves are irregularly pinnate, and the minute flowers,
which are borne in large, branching spikes, are of a peculiar dark
purple colour. It prefers a cool, moist situation.