Alstroemeria caiaponica is a species of flowering plant in the family Alstroemeriaceae. It is a tuberous plant with red flowers, and capsule fruits. It was described by Pierfelice Ravenna in 2000.

Alstroemeria caiaponica is a tuberous herb with underground storage organs. The leaves are papery, narrow to elliptical, and arranged alternately. The inflorescence is a cyme. The flowers are bell-shaped and red. The inner tepals are spotted, and the outer tepals are not spotted. The fruit is a loculicidal capsule. The seeds are spherical, and have small protuberances.

The species is endemic to the seasonally dry tropical biome of Goiás and Mato Grosso, Brazil.

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