Twinleaf is a delicate spring ephemeral of rich, calcareous forests in the Appalachians and Midwest, named for President Thomas Jefferson, who admired the plant. Each stem bears a single leaf divided into two equal lobes and a single white flower that lasts only a day or two. It grows in widely scattered populations and is somewhat uncommon across its range.
Best time to see a Twinleaf
The best time to see a Twinleaf is March–April, when about 74% of U.S. sightings happen, based on 6,258 research-grade iNaturalist observations.
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