Nasa rudis
NameNasa rudis
Scientific NameNasa rudis
Common NamesOrtiga brava, Stinging Loasa
Plant FamilyLoasaceae
Natural HabitatNative to the Andes region of South America, it thrives in disturbed areas, roadsides, and open fields at moderate to high altitudes.
Parts Usedleaf,whole_plant
Medicinal Actionsanalgesic,anti-inflammatory
Traditional UsesTraditionally, the fresh leaves and stems are applied topically to the skin to induce a stinging sensation, acting as a counter-irritant for rheumatic pain, arthritis, and muscle aches. This method is believed to alleviate deeper pain through superficial irritation.
Active ConstituentsHistamine, Acetylcholine, Serotonin
Preparation Methodspoultice
Contraindications & WarningsAvoid contact with eyes and mucous membranes. Not for internal consumption. May cause severe skin irritation and allergic reactions in sensitive individuals.
Cultivation NotesOften considered a weed in its native range, it prefers well-drained soil and full sun to partial shade. It can be an aggressive grower.
Raritycommon
Description
Nasa rudis is an herbaceous plant characterized by its striking, complex flowers featuring a central column of petaloid staminodes surrounded by five white or pale petals. Its stems and leaves are typically covered in stinging hairs, which cause skin irritation upon contact.
