Presliophytum heucherifolium
NamePresliophytum heucherifolium
Scientific NamePresliophytum heucherifolium
Common NamesOrtiga brava, Loasa
Plant FamilyLoasaceae
Natural HabitatNative to the high-altitude Andes of South America, typically found in rocky slopes, disturbed ground, and open areas. It thrives in well-drained soils and full sun.
Parts Usedwhole_plant,leaf
Medicinal Actionsanalgesic,anti-inflammatory
Traditional UsesTraditionally, the plant, particularly its leaves, has been used externally as a counter-irritant. It is applied as a poultice to the skin to alleviate rheumatic pain, arthritis, and localized inflammation, leveraging its stinging properties to create a diversionary or stimulating effect.
Active ConstituentsAlkaloids, Flavonoids, Triterpenes
Preparation Methodspoultice
Contraindications & WarningsDirect skin contact causes significant irritation, redness, and stinging due to glochids. Avoid contact with eyes and mucous membranes. Not recommended for internal use due to lack of safety data and potential toxicity. Individuals with sensitive skin or allergies should exercise extreme caution.
Cultivation NotesPrefers full sun to partial shade and well-drained, rocky or sandy soil. It is adapted to high-altitude, temperate climates. Propagation is typically by seed. Handle with gloves due to stinging hairs.
Rarityuncommon
Description
This herbaceous perennial features deeply lobed, somewhat hairy basal leaves and erect stems bearing white, star-shaped flowers with five petals and a prominent central cluster of stamens. It is notable for its stinging hairs (glochids) that can cause significant skin irritation.
