本文首度報導在印度發現的暹羅假野菰新記錄分布，本物種在印度極為稀少，因此分佈地點目前只有一處。獨特的三角狀花萼齒、紫色花冠及光滑的花絲使此種易於辨認。本文除提供此種的描述外，也包含了照片、物候及分佈資訊，和印度的相關分類群之檢索表。

Christisonia siamensis Craib. is newly recorded in India. This species is very rare and known only one location in India. This species can be distinguished from others by its delta-shaped calyx teeth, purple corolla, and glabrous filaments. A key to the related India taxa and taxonomic description, phenology, distribution map and photograph are provided here.