Symphytum officinale. Nat. ord., Boraginaceae.
Fig. - Engl. Bot., t. 817.
Common Comfrey. For. name: German, Gebrauchlicher Beinwell.
Habitat. - Moist banks and borders of meadows in Europe and Western Asia: frequent in England and Ireland.
Flowering time. - Spring and summer.
Part, employed. - The fresh root-stock.
Characters. - Root-stock thick, with stout, erect, branching annual stems 2 or 3 feet high. Leaves broadly lanceolate, often 8 to 10 inches long or more, tapering into a long point and rough, with short stiff hairs; the lower ones stalked, the upper ones sessile and decurrent along the stem. Flower-cymes stalked about the last leaf, once or seldom twice forked; the branches forming short one-sided racemes. Flowers all pedicellate, 3 lines long, either pale yellow or a dark dingy purple.
Time for collecting. - Before flowering and in the autumn.
Preparation. - Tincture (proof spirit).
This has not been proved, and has hitherto been used as an external remedy only.
Average loss of moisture, 75 per cent