Senna tora (originally described by Linnaeus as Cassia tora) is a dicot legume in the subfamily Caesalpinioideae. Its name is derived from its Sinhala name Tora (තෝර). It grows wild in most of the tropics and is considered a weed in many places. Its native range is probably South Asia. Its most common English name is Sickle Senna. or Sickle Wild sensitive-plant. Other common names include sickle pod, tora, coffee pod, tovara