Quercus duratifolia sp. nov. C.H. Muller 1942

Arbor majuscula, ramuli 1-2 mm. crassi sparse stellati vel glabrati, folia sempervirentia supra
nitidissima subtus vix lucida 5-10 cm. longa 2-3.5 cm. lata elliptica vel oblanceolata apice rotundata
basi cordata vel rotundata integra, venis utrinque 9-15 anastomosantibus leviter prominentibus, petioli
2-5 mm. longi, fructus annuus brevipedunculatus, cupula 12-13 mm. lata 4-6 mm. alta, squamae
stricte appressae, glans 12-15 mm. longa ovoidea vel inclusa, ovula abortiva apicalia.