血红猪笼草（学名：）是原产于马来半岛及泰国南部的热带食虫植物，生长于海拔300米至1800米的地区。其种加词“sanguinea”来源于拉丁文“sanguineus”，意为“血红的”。血红猪笼草捕虫笼的大小变化无常，高可为10至30厘米，颜色可为黄色至橙色或红色。捕虫笼的内表面常具斑点。1847年，由植物采集者康沃尔和植物学家托马斯·洛布通过维奇苗圃带入维多利亚英国。

自然杂交种 
? N. albomarginata × N. sanguinea
 N. macfarlanei × N. sanguinea
 N. ramispina × N. sanguinea

参考文献 

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 Nepenthes of Peninsula Malaysia  by Stewart McPherson

扩展阅读 

 食虫植物照片搜寻引擎中血红猪笼草的照片 

Nepenthes sanguinea
sanguinea
馬來西亞植物