
Nasa speciosa
NameNasa speciosa
Scientific NameNasa speciosa
Common NamesOrtiga brava, Pega pega
Plant FamilyLoasaceae
Natural HabitatNative to the Andean regions of South America, thriving in high-altitude cloud forests, montane forests, and disturbed areas. It prefers moist, shaded environments within its natural range.
Parts Usedleaf,whole_plant
Medicinal Actionsanalgesic,anti-inflammatory,antimicrobial
Traditional UsesTraditionally, Nasa speciosa is used topically for its counter-irritant and anti-inflammatory properties to alleviate rheumatic pain, arthritis, and muscle aches. The stinging hairs are often intentionally applied to the skin for therapeutic urtication, stimulating blood flow and reducing localized pain.
Active ConstituentsFlavonoids, Tannins, Diterpenes, Triterpenes
Preparation Methodspoultice,decoction,infusion
Contraindications & WarningsDirect skin contact can cause severe irritation, redness, and allergic reactions due to the plant's stinging hairs. Not recommended for internal use without expert supervision due to potential toxicity. Avoid contact with eyes and mucous membranes.
Cultivation NotesRequires a humid, subtropical to tropical montane climate with partial shade and well-drained, rich soil. Can be challenging to cultivate outside its native range due to specific environmental needs and the presence of stinging hairs, which require careful handling.
Rarityuncommon
Description
Nasa speciosa is an herbaceous plant characterized by its often stinging hairs (glochids) and pendulous, bell-shaped flowers, typically orange or yellow, as seen in the image. Its stems are usually hairy, and leaves are serrated, contributing to its distinctive appearance.




