This plant is perennial, and has a horizontal rhizoma or fleshy root, with matted fibrous radicles. The stem is simple, naked, one-flowered, and from eight to fourteen inches in height. The leaves are in pairs, broader than long, ending in an obtuse point, smooth and petioled; flowers, large and white; and fruit an obovate capsule.
Jeffersonia Diphylla (Twinleaf)
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