olive family (oleaceae)

forestiera

stretchberry (Forestiera pubescens) -- in April -- Mills Canyon, Kiowa National Grassland, NM    yellow & orange 

forsythia x intermedia

forsythia (Forsythia x intermedia) -- in April --  Villanueva State Park, New Mexico   yellow & orange  

fraxinus

singleleaf ash (Fraxinus anomala) -- in April -- Canyonlands National Park, UT      green & brown 

​singleleaf ash (Fraxinus anomala) -- in April -- Arches National Park, UT

​fragrant ash (Fraxinus cuspidata) -- in April -- Big Bend Ranch State Park, TX     white & cream  

         seed -- 13 mm

green ash (Fraxinus pennsylvanica)  -- in January -- North Shields Ponds, Fort Collins Natural Area, CO    green & brown ​

green ash (Fraxinus pennsylvanica) -- in February -- Gustav Swanson Natural Area, Fort Collins, CO

​green ash (Fraxinus pennsylvanica) -- in September -- Springer, Fort Collins Natural Area, Fort Collins, Larimer County, CO

menodora

spiny menodora (Menodora spinescens var. spinescens) -- in March -- Dante's View, Death Valley National Park, CA     white & cream    

syringa

common lilac (Syringa vulgaris) -- in May -- Pineridge, Fort Collins Natural Area, CO    red & pink