Mucilaginous, innocent plants, with tough bark and palmately-veined leaves; stamens monadelphous, in a column, and united with the short claws of the petals; pistils several, the ovaries united in a ring, or forming a several-celled pod.
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.