PROVIGIL (modafinil) is a wakefulness-promoting agent for oral administration. Modafinil is a racemic compound. The chemical name for modafinil is 2-[(diphenylmethyl)sulfinyl]acetamide. The molecular formula is C15H15NO2S and the molecular weight is 273.35.
Elephant grass is a robust, rhizomatous, tufted perennial grass. It has a vigourous root system, developing from the nodes of its creeping stolons. The culms are coarse, perennial, and may be up to 4-7 m in height, branched above. Elephant grass forms dense thick clumps, up to 1 m across.
Comments. Submit. Elephant ears, known botanically as Colocasia or Taro, is a genus of tropical perennial plants grown from underground tubers. More than 200 species of colocasia exist and many have a tuber that is grown as a food source.They produce large leaves with ruffled or crenelated edges that resemble an elephant's ear, hence their name. Colocasias grow most vigorously in the summer and fall and produce flowers during the summer.As tropicals, they are extremely sensitive to cold, and hardy only in USDA Zones 9b through 11.hey produce large leaves with ruffled or crenelated edges that resemble an elephant's ear, hence their name. Colocasias grow most vigorously in the summer and fall and produce flowers during the summer. As tropicals, they are extremely sensitive to cold, and hardy only in USDA Zones 9b through 11.