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"A genus of plants of the natural order Fumariaceae, in appearance and habit much resembling fumitories of extraordinary size. Dielytra spectabilis, a native of Siberia and the northern provinces of China, was introduced into Britain from the island of Chusan in 1846, and rapidly became a general favorite, on account of its long racemes of drooping, delicate, rosy-pink flowers." — Chambers' Encyclopedia, 1875

Dielytra

"A genus of plants of the natural order Fumariaceae, in appearance and habit much resembling fumitories…