Knitbone, Woundwort, Healherb, Gum Plant, All Heal Symphytum officinale F. Boraginaceae Description Plant origin, Asia and Europe; a perennial growing from a thick, fleshy, brown-skinned root system, that can delve deeply into the sub-soil in search of moisture and minerals. Oblonglanceolate, dark green leaves, 50-120cm long, with long, round-grooved, petiole stems. The whole plant is … Comfrey Read More »