Humboldt cestrum
NameHumboldt cestrum
Scientific NameCestrum humboldtii
Common NamesHumboldt cestrum
Plant FamilySolanaceae
Natural HabitatNative to tropical and subtropical regions of Central and South America, often found in forest margins, disturbed areas, and open woodlands.
Parts Usedleaf,flower
Medicinal Actionsantimicrobial,anti-inflammatory
Traditional UsesWhile the *Cestrum* genus is known for its toxicity, some species have been traditionally used externally for skin conditions or wounds. *Cestrum humboldtii* specifically has limited documented traditional medicinal uses and is generally considered poisonous, with internal use being highly dangerous.
Active ConstituentsSolasodine, Solamargine, Cestrine, Saponins, Flavonoids
Preparation Methodspoultice,infusion
Contraindications & WarningsAll parts of *Cestrum humboldtii* are considered highly toxic if ingested, containing steroidal glycoalkaloids that can cause severe gastrointestinal distress, neurological symptoms, and even death. It is poisonous to humans and livestock. Internal use is strongly contraindicated.
Cultivation NotesThrives in tropical to subtropical climates, preferring full sun to partial shade and well-drained soil. It can be grown as an ornamental shrub.
Raritycommon
Description
A shrub characterized by its large, ovate, somewhat corrugated green leaves and dense, terminal clusters of small, tubular, pale yellow-green flowers. The flowers are typically star-shaped at the opening.
