Psyllium

Psyllium /ˈsɪliəm/, or Ispaghula /ˌɪspəˈɡuːlə/, is the common name used for several members of the plant genus Plantago whose seeds are used commercially for the production of mucilage.

Read more about Psyllium:  History, Health Effects of Dietary Psyllium, Uses, Growth Habit, Cultivation, Yield Potential and Performance Results, Economics of Production and Markets