What a fun discovery in the desert east of Douglas, Arizona. There is just something about these large spinescent shrubs in the buckthorn family,...
There are 2 species of walnuts here in the borderlands of southern Arizona; the Arizona walnut (Juglans major) that I talked about and a...
There is only one species Mandevilla in Arizona, but there are over 100 species found (maybe as many as 200 spp.?) if you start...