Trending: mayapple (Podophyllum peltatum) — 2092 observations this week
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Phenology
The mayapple carpeting the forest floor of your local woods right now is one of spring's most reliable phenological clocks — spotting its umbrella-like leaves tells you the woodland wildflower window is open and fleeting.
Mayapple is a native wildflower that blankets forest floors in spring, spreading in colonies from underground roots. This week, thousands of nature lovers logged sightings of it across the eastern US and Canada, making it one of the most-watched plants of the moment. Its brief appearance each spring — before the tree canopy leafs out and blocks the sun — is a classic sign that the season has truly arrived.
Key Findings
Mayapple recorded 2,092 research-grade observations in a single week on iNaturalist, ranking it among the top observed plant species.
The surge reflects peak spring emergence timing, when mayapple colonies push up through leaf litter before forest canopy closes.
Citizen-science data at this volume can map mayapple's bloom phenology across its entire native range in near real time.
chevron_right Technical Summary
Mayapple, a native woodland wildflower, surged to 2,092 research-grade citizen observations this week on iNaturalist, signaling peak spring emergence across eastern North America.
Abstract Preview
mayapple is among the most observed plant species this week with 2092 research-grade observations.
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Species Mentioned
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Podophyllum is a genus of flowering plant in the family Berberidaceae, native from Afghanistan to China, and from southeast Canada to the central and eastern United States. The genus was first described by Carl Linnaeus in 1753.