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Pelargonium sidoides is a plant native to South Africa. Its common names include African geranium and South African geranium.

Pelargonium sidoides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Geraniales
Family:	Geraniaceae
Genus:	Pelargonium
Species:	P. sidoides
Binomial name
Pelargonium sidoides DC.

Description

African geranium forms a basal rosette of cordate leaves with a velvet texture and a few short trichomes on long petioles.[1] Its flowers have five dark red to nearly black petals, two of which are sometimes fused. It is often found in flower nearly year-round. It prefers to grow in grasslands with rocky soils. It can be difficult to distinguish from Pelargonium reniforme which grows in a similar area, but tends to have more kidney-shaped leaves.

Uses

In cultivation in the UK, Pelargonium sidoides has received the Royal Horticultural Society's Award of Garden Merit.[2] If grown as a perennial it requires protection in winter, as it does not tolerate temperatures below 5 °C (41 °F). It needs a sunny, sheltered position.

A 2013 Cochrane review found limited to no evidence of benefit with Pelargonium sidoides root extract for the symptoms of acute bronchitis, the common cold and acute rhinosinusitis.[3] A summary of this review found that all studies were "from the same investigator (the manufacturer) and performed in the same region (Ukraine and Russia)."[3]

Root extract of Pelargonium sidoides may be sold as a dietary supplement or traditional medicine under various brand names, including Umckaloabo and Zucol, but there is limited high-quality clinical evidence it provides any benefit.[4]

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References

На других языках

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- [en] Pelargonium sidoides

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[es] Pelargonium sidoides

Pelargonium sidoides es una planta medicinal nativa del África austral. Entre los nombres comunes se incluyen umckaloabo, kaloba y geranio de Sudáfrica. El extracto de la raíz de Pelargonium sidoides es usado tradicionalmente por las tribus zulúes para el resfriado común y la influenza. Actualmente se comercializa bajo varias marcas comerciales que incluyen Kaloba, Umcka, Umckaloabo, Juanolcold, Umquan, Zucol y Respifort.

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