NYBG EcoQuest May 2018 - Week Four Wrap Up
May 1–31
Mayapple Observations: 541
Observers (31): @elizajsyh, 201; @nycnatureobserver, 58; @heathdog, 56; @plnthunter22, 53; @spritelink, 43.
Boroughs: Manhattan, 385; Bronx, 145; Staten Island, 7; Brooklyn, 4.
It may not be May, but we may still find Mayapple in Queens!
The Mayapple field trip at NYBG was very interesting. Participants collected data on leaf phenology and fruit set. From two distinct populations, we found that 95 percent of one-leaf stems produced no fruit and 95 percent of two-leaf stems did produce fruit. The data suggest that single stems rarely produce fruit and that double stems almost always do. Mayapples are mostly self-incompatible, but self-compatibility is known (Crants, 2008). Perhaps both populations consist of self-compatible clones. We will watch the fruit as they ripen to test seed set.
Join us Saturday, June 2, 10:00 am–-12:00 noon at Inwood Hill park to LOOK FOR LAUREL (Spicebush and Sassafras) and the Spicebush Swallowtail Butterfly. RSVP HERE.
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