Cestrum aurantiacum Lindl.

Ki jogo (Cestrum aurantiacum) is a shrub 1-6.5 meters tall from the Solanaceae family native to Tropical America, now widely cultivated in Africa, India, and Australia as an ornamental for its striking flower color. This plant is known to be toxic to livestock and potentially has the same effect on humans if ingested. Ki jogo is traditionally used to treat itchy skin.

Ki jogo is commonly found in abandoned gardens, roadsides, forests, mountains, and disturbed areas near towns, growing at elevations between 850-2,600 m asl. It prefers fertile, well-drained soil enriched with compost. It favors locations in full sun or bright shade, as shaded conditions inhibit flowering and produce leggy plants.

• Stem woody, much-branched, branches often lenticellate, sparsely hairy to hairless.
• Leaves alternate, pale to dark green with yellowish venation, ovate to lanceolate, base pointed, margin entire, tip acute to acuminate, both surfaces usually hairless, sometimes coriaceous (leathery).
• Flowers with a pungent orange-like aroma, especially at night. Calyx narrowly tubular, hairless to sparsely pilose outside, lobes narrowly triangular becoming subulate (ligulate) above, margin tightly rolled with lobes extending down as five dark veins across the calyx, pointed. Corolla usually orange to bright yellow, sometimes yellowish red, tubular with 5-6 small round lobes, lobes widening to narrowly triangular, often apiculate, hairless outside, pilose internally. Anthers yellow to orange. Ovary brownish, ovoid. Inflorescences arranged in clusters at the branch tips (terminal clusters) and in leaf axils (axillary clusters) as racemes or panicles.
• Fruit a subsessile berry, white, cream, or yellow, ovoid, small.
• Seeds 1-5(-8) per berry, dark brown or blackish, ellipsoidal, prismatic, usually curved.

Propagation is done vegetatively (stem cuttings).

Steroidal saponins, sterols, catechol tannins, flavonoids, fatty acids (myristic, palmitic, stearic, oleic, linoleic), β-amyrin, β-sitosterol

Treats itchy skin and has antimicrobial activity.

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