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Staranise tree

Illicium verum

Also called Star anise, Staranise, Chinese Star Anise

Staranise tree
Photo: Photo by David J. Stang, CC BY-SA 4.0

Star anise (Illicium verum) is a medium-sized evergreen tree from southern China and northern Vietnam, grown mainly for its star-shaped fruit used as a spice. It needs a warm, humid, frost-free climate and moist soil.

Family
Schisandraceae (Schisandr family)
Grows as
Tree, Annual
Light
Part shade, Bright indirect
Water
Keep soil evenly moist, especially in the growing season, but avoid waterlogging.
Soil
Well-drained, slightly acidic, humus-rich soil or a peaty potting mix.
Temperature
18–30 °C; protect below 5 °C
How easy
Moderate
Safety
Not known to be toxic: Illicium verum itself is not toxic. Related species such as Japanese star anise (Illicium anisatum) and swamp star anise (Illicium parviflorum) are highly toxic and must not be confused with it.
Edible
Yes, some parts
Native range
China (S. & W. Guangxi) to N. Vietnam
Climate
subtropical

About

Illicium verum (star anise or badian, Chinese star anise, star anise seed, star aniseed and star of anise) is a medium-sized evergreen tree native to South China and northeast Vietnam. Its star-shaped pericarp fruits harvested just before ripening are a spice that closely resembles anise in flavor. Its primary production country is China, followed by Vietnam and other Southeast Asian countries. Star anise oil is highly fragrant, used in cooking, perfumery, soaps, toothpastes, mouthwashes, and skin creams. Until 2012, when it switched to using genetically modified E. coli, Roche Pharmaceuticals used up to 90% of the world's annual star anise crop to produce oseltamivir (Tamiflu) via shikimic acid.

Safety

Illicium verum is not toxic. However, other related species are toxic.

Japanese star anise (Illicium anisatum), a similar tree, is highly toxic and inedible; in Japan, it has instead been burned as incense. Cases of illness, including "serious neurological effects, such as seizures", reported after using star anise tea may be a result of deliberate economically motivated adulteration with this species. Japanese star anise contains the neurotoxin anisatin, which also causes severe inflammation of the kidneys (nephritis), urinary tract, and digestive organs when ingested.

Other Illicium plants

Japanese Star Anise · Illicium difengpi · Himalayan Star Anise

Text excerpted from the Wikipedia article Illicium verum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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