A perennial plant(Spigelia marilandica)native to the southeast United States having flowers with a tubular corolla that is red outside and yellow rhizomes and roots were once used as a vermifuge.
An annual Asian plant(Perilla frutescens)having opposite leaves, a bell - shaped calyx, and flowers with a short, white, tubular corolla is widely cultivated as an ornamental and for its oily seeds.
