Aconite
From Triad wiki
H=this plant is listed only in a historic manner, and may or may not currently exist on Pern. It can probably be safely assumed it still exists somewhere.
Known location:
near Fort Hold
Growth form:
root
Uses
Medicinal Herb, Febrifuge, Anodyne, for heart palpitations. Root is used in a powdered form.
Outside Info:
All parts of this plant are toxic. The root is used externally for nerve- related pain. It is a sedative, painkiller, and anti-fever treatment. The plant grows to 1.5m with helmet-shaped violet flowers in early summer.
