火炬花又名火把莲、剑叶兰，原产于南非，现被广泛引种到世界各地，作为观赏花卉，其叶类似百合，花茎可高达一米多，穗状花序，可陆续开放，花的颜色为红色、黄色或橘红色，耐寒。

• Pink, A. Gardening for the Million. Project Gutenberg Literary Archive Foundation. 2004. 

Kniphofia uvaria is also known as Tritoma, Torch Lily, or Red Hot Poker due to the shape and color of its inflorescence. The leaves are reminiscent of a lily, and the flowerhead can reach up to 1.52 m (5.0 ft) in height. There are many varieties of torch lily, and they bloom at different times during the growing season. The flowers are red, orange, and yellow.