Galangal

Alpinia galanga

Zingiberaceae

Ginger’s sharper Thai cousin — pine, camphor, and pepper in a rhizome that tom kha cannot do without.

Culinary rhizome. Greater galangal is this plate; Alpinia officinarum is a smaller, hotter cousin.

Parts used: Rhizome
Traditional notes: Kitchen soup and curry · After a heavy meal · Traditional nausea folklore
Grow · USDA 6b: Tropical rhizome, USDA 9–11; pot and overwinter north A piece of rhizome with a bud, like ginger. In work: May · Jun · Jul · Aug · Sep · Oct
Harvest: After a long warm season, lift a piece, leave the rest.

Think ginger with higher standards for heat.
Frozen slices beat a dried jar.

Safety

Ginger-family allergy

Lore

Medieval Europe knew a dried galangal as galingale and put it in hypocras. The fresh rhizome that Thai and Indonesian kitchens want is a later reunion. Hildegard of Bingen called it the spice of life. The word is Chinese gāoliángjiāng by way of Arabic — a passport stamp in a root.

The Herbarium — a teaching catalog, not a clinic. Traditional use is history, not a prescription. USDA 6b dates are a week either way, not a promise. Do not eat, drink, or harvest a plant you cannot name.