青葙（学名：Celosia argentea）是苋科青葙属的一种植物。

一年生草本。披针形叶子。夏秋季开淡红色花，穗状花序呈圆柱状，不分枝。

Celosia argentea, commonly known as plumed cockscomb, or the silver cock's comb, is a herbaceous plant of tropical origin, and is known for its very bright colors. In India and China it is known as a troublesome weed.