The mild taste of Africa-grown rooibos—pronounced Roy-boss—(Aspalathus linearis) has made it a very popular ingredient in various herbal-tea blends. The name means “red bush;” a flowering shrub that grows in the Cedarberg mountain region in South Africa’s western cape, north of Cape Town.
Rooibos is an erect shrub that grows about five feet high. It sports reddish-brown stems and bright-green needlelike leaves. Since it’s a legume, the root contains nodules inhabited by nitrogen-fixing bacteria. This characteristic enables the plant to survive the nutrient-poor, acidic soils of the Cedarberg region.
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