1. Apamarga (Achyranthes aspera) is an erect, much branched shrub with thickened branches above nodes and opposite, velvety leaves. Its roots, seeds and whole plant are used medicinally. It is classified as shirovirechanopaga, krimighna, and vamanopaga.
2. Ardraka (Zingiber officinale) is an erect perennial herb with aromatic rhizome. Its rhizome is used and has properties like katu, ushna, and madhura vipaka. It is useful for conditions like triphala, arshoghna, and trishna nigraha