Ash trees (Fraxinus spp ... Ash seeds are a type of samaras, or a seed casing with winged components. These 1-inch to 1 ½ -inch pods encase an embryo surrounded by many important layers.

Next, my colleagues and I hope to unravel the flight mechanics of the “rolling samaras” found on tulip poplar and ash trees. These seeds rotate like maple samaras, but the wing also rolls ...

Next, my colleagues and I hope to unravel the flight mechanics of the "rolling samaras" found on tulip poplar and ash trees. These seeds rotate like maple samaras, but the wing also rolls around the ...