Curcuma alismatifolia, Siam tulip or summer tulip (, ; , ; , ) is a tropical plant native to Laos, northern Thailand, and Cambodia.Kew World Checklist of Selected Plant FamiliesSirirugsa, P., Larsen, K. & Maknoi, C. (2007). The genus Curcuma L. (Zingiberaceae): distribution and classification with reference to species diversity in Thailand. Gardens' Bulletin Singapore 59: 203-220. Despite its name, it is not related to the tulip, but is a close relative of turmeric. It can grow as an indoor plant. It is a perennial herb growing up to tall.
Malvidin 3-rutinoside is a pigment responsible for bract color in C. alismatifolia.
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