Fig. 7
From: Oak leaf morphology may be more strongly shaped by climate than by phylogeny
Type-leaves of three different species as representatives of the different macroclimates studied. Cold Temperate (in dark blue): a Quercus rubra, b Q. mongolica, c Q. robur. Warm Temperate (in light green): d Q. fabri, e Q. nigra, f Q. virginiana. Arid (in yellow): g Q. hintoniorum, h Q. hypoxantha, i Q. grisea. Mediterranean: j Q. pyrenaica (sub-Mediterranean), k Q. faginea, l Q. rotundifolia. Winter-dry temperate to tropical (in cyan): m Q. stenophylloides, n Q. leucotrichophora, o Q. pinnativenulosa