ClipArt ETC
This illustration shows the rhizoma of Diphylleia cymosa, showing six years of growth, and a bud for the seventh. a, the bud; b, base of the stalk of the current year; c, scar left by the dcay of the annual stalk of the year before; and beyong are the scars of previous years.

Diphylleia Cymosa

This illustration shows the rhizoma of Diphylleia cymosa, showing six years of growth, and a bud for…

"The Rhizoma or Rootstock grows in a nearly horizontal direction, emitting roots from its under side, increasing by one extremity only, at which it puts forth leaves and flower-stems, and gradually dying at the other. Its surface is generally marked by irregular ridges formed by the bases of decayed leaves."—Darby, 1855

Rhizoma Root

"The Rhizoma or Rootstock grows in a nearly horizontal direction, emitting roots from its under side,…