Ushira, Vetiver (Vetiveria Zizanioides) – Practical Uses, Benefits and Dosage Description of the Ushira Ushira (Vetiver) is known as nectar in summers as it lightens all health issues related to heat and summer. The scientific name of the Ushira plant is Vetiveria zizanioides. It is famous with the name of khus. These are known as perennial grass that can grow up to one to two meters high with wide clumps. Ushira tillers are known as stem produced by grass plants.