a. and sb. Bot. [f. VIOLA1.] a. adj. Resembling or related to the genus Viola. b. sb. pl. The ‘violal alliance’ in Lindley’s classification.
1846. Lindley, Veg. Kingd., 320. They seemn evidently to join the Violal Alliance. Ibid., 325. A perigynous form of Violals. Ibid., 338. Violal Exogens, with polypetalous flowers.
