Botanical name : Vetiveria zizanioides (Linn.) Nash
Family : Poaceae
SANSKRIT SYNONYMS
Useera, Sevya, Veerana, Veera, Ranapriya, Samagandhika, Sugandhimoola
AYURVEDIC PROPERTIES
Rasa    : Tikta, Madhura
Guna   : Lakhu, Rooksha
Virya   : Seeta
Vipaka : Katu
PLANT NAME IN DIFFERENT LANGUAGES
English  : Vetiver, Khas –khas grass
Hindi  : Khas
Malayalam : Ramacham
Distribution – Throughout India growing wild in planes and lower hills. Also cultivated. 
PLANT DESCRIPTION
A perennial aromatic grass grows up to 2 meter in height. Leaves narrow, linear, erect; spikelets grey in a panicle of numerous racemes, fruits oblong grains.
MEDICINAL PROPERTIES
Plant pacifies vitiated pitta, vata, burning sensation, hyperdipsia, ulcer, skin diseases, vomiting nausea, flatulence, dyspepsia, colic, cough, fever, low back pain, headache and general debility.
Useful part : Roots