Contractions. - Diosc. Dio.
Nat. ord., Dioscobeaceae.
Synonyms. - D. paniculata, D. quinata.
Fig. - Rumpf. Aml., v., 162.
Habitat. - A native of America, found in thickets from New England to Wisconsin, and in the Southern States.
Flowering time. - June.
Part employed. - The root.
Characters. - Leaves alternate, cordate, acuminate, nine-ribbed, sub-pubescent. Hoot long, branched, crooked, woody, white internally, light brown externally, and wrinkled longitudinally, with many long tough fibres, inodorous, and with a pleasantly bitter, sub-mucilaginous taste.
Time for collecting. - Before flowering, and when the stem dies down in autumn.
Reference to Horn. Proving. - Hale's New Remedies.
Proper forms for dispensing. - φ and lx, Tincture only. 1 and upwards, Tincture, Pilules, or Globules.