蓝姜 Dichorisandra thyrsiflora
- Scientific Name: Dichorisandra thyrsiflora J.C.Mikan
- Ref: Del. Fl. Faun. Bras.: 3. 1820
- Synonyms: Dichorisandra ovata Paxton; Stickmannia thyrsiflora (J.C.Mikan) Kuntze
- English Common Name: blue ginger
- Chinese Common Name: 蓝姜 lánjiāng
- Family: Commelinaceae
- Genus: Dichorisandra
- Distribution: native to E. Brazil
- Photo: 06/21/2009, South China Botanical Garden, Guangdong
06/21/2009, South China Botanical Garden