May be late to the dance on this site, but I found the sheer number of pics for a particular species in various stages of growth very usefull for id or discussion.
Brushpile asked recently about aromatic sumac. A 'wild type' is native to understory in our area and figured it would also be common in SWMO uplands. Leaves of the variety we ordered from OK forestry were the dull gray/green color vs the more shiny darker green of our 'wild type'. The shrub itself appears much like buck brush but with more stems immanting from a central area.....adaptable to varied location and drought tolerant. Nonetheless, a key characteristic in identifying this plant in winter is the small 'pine cone like' dormant flower/fruit structures (like in pic above). It is medium quailty browse and a scarcity of flower/fruit may indicate a deficiency of preferred browse in the habitat. If one remains unsure of the id, then strip fresh leaves in summer and 'take a whiff'!