a cluster of the big leaf maple acer macrophyllum winged seeds samaras that detach in pairs and are blown by the wind like

acer america american are big bigleaf blades bloom blooming blown botanical california close closeup cluster copy detach detail flora flower flying foliage forest garden green helicopter hetch hetchy leaf little macro macrophyllum maple national natural nature outdoor outdoors pairs park plant reproduce reservoir samaras season seasonal seed seedling seeds shape space spring springtime states that tree united western wind wing winged woods yosemite