Acanthus carduaceusAcanthus carduaceus is a species of flowering plant in the genus of Acanthus. It is native to Eastern Himalayas and exists as a shrub. It is also found in limited parts of Bengal and Assam.DescriptionAcanthus carduaceus is a robust, scandent shrub, reaching up to 2.5 m in height. It features large pinnatifid leaves with spinous lobes and compact terminal racemes as inflorescences. The white flowers are tubular, with a heteromorphic calyx and a 5-lobed corolla.