Word Study
Orpine
CIDE DICTIONARY
Orpine, n. [F. orpin the genus of plants which includes orpine; -- so called from the yellow blossoms of a common species (Sedum acre). See Orpiment.].
A low plant with fleshy leaves (Sedum telephium ), having clusters of purple flowers. It is found on dry, sandy places, and on old walls, in England, and has become naturalized in America. Called also stonecrop , and live-forever . [1913 Webster]
OXFORD DICTIONARY
Orpine, n. (also orpin) a succulent herbaceous purple-flowered plant, Sedum telephium. Also called LIVELONG(2).
Etymology
ME f. OF orpine, prob. alt. of ORPIMENT, orig. of a yellow-flowered species of the same genus
For further exploring for "Orpine" in Webster Dictionary Online