Steinmetz:Galla

Galla halepensis

Also known as (or relevant to) Galla halepensis Family Capuliferae English Names Oak galls Aleppo galls Turkey galls Oak apples Nutgalls Natural Habitat see: Quercus tinctoria Part(s) Used Gallae Halepensis, an excrescence caused by the gall, wisp (Cynips tinctoria) on Oak species, especially Quercus infectoria (which see)

Constituent(s) gallo-tannic acid gallic acid starch resin sugar ellagic acid wax gum essential oil Action astringent; used in dyeing and tanning

Galla sinensis

Also known as (or relevant to) Galla sinensis English Names China galls Japan galls Natural Habitat Eastern Asia (especially China Japan) Northern India Part(s) Used Gallae sinensis seu japonicae (an excrescence caused by certain insects (Schlecteudalia sinensis), sucking the young twigs of some Sumach species, especially Rhus semialata

Constituent(s) astringent; used in dyeing and tanning