Thai Herb Architecture — The Flavour Language of Leaves / สมุนไพรไทย

Pan-Thai — the herb vocabulary is the common language of Thai regional cuisines with regional additions (dill in the North, cha-plu in the Central tradition)

Thai herb vocabulary goes beyond coriander and basil — the cuisine employs 20+ fresh herbs in regular cooking, each serving a specific flavour function. Understanding which herbs substitute, which contrast, and which are irreplaceable is foundational knowledge. The essential vocabulary: coriander (fresh top note), sawtooth coriander (persistent top note), holy basil (peppery clove), sweet basil (anise), lemon basil (citrus), dill (anise-fennel, Northern), cha-plu (peppery, wrapping), pandan (fragrant, sweet), mint (fresh, cooling), pak chee farang (saw-tooth, robust), lemongrass, galangal, kaffir lime leaf, and fingerroot. Each herb has its own heat tolerance, its own aromatic compound, and its own window of optimal use.

Thai herb fluency is the difference between Thai food that tastes authentic and Thai food that tastes like a reasonable approximation — the herbs are not garnish but structurally flavour-active ingredients.