aniline: oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
amine: a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
rattlesnake orchid: any of various orchids of the genus Pholidota having numerous white to brown flowers in spiraling racemes clothed in slightly inflated bracts and resembling a rattlesnake's tail