Ruellia ringens Linnaeus , Species Plantarum 2 : 635. 1753 Chapter 7: Linnaean Plant Names and their Types (part R) Jarvis, Charlie (L.) R. Br. ex Steud. Steud. Linnaeus 1753 Magnoliopsida Acanthaceae Hygrophila Plantae Lamiales Tracheophyta species ringens      Ruellia ringensLinnaeus,  Species Plantarum2: 635. 1753.  "Habitat in India." RCN: 4616.    Lectotype(Hansen in Nicolson & al., Interpret. Van Rheede'sHort. Malab.: 40. 1988): Herb. Linn. No. 804.13 ( LINN). 2611571399 LINN 804.13 lectotype