Oaks of the World

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 Quercus nixoniana
Author S.Valencia & Lozada-Perez 2003 Novon 13: 261
Local names 
RangeMexico (Guerrero, Jalisco, Oaxaca); 1300-2300 m;
Growth habitreaches 25 m;
Leaves 7-15 cm x 1-3; 5 to 8 times longer than wide; evergreen; apex acute; base cuneate; margin entire, without teeth; dark green, glabrous above; hairless beneath, without glandular hairs; 15-22 vein pairs; petiole hairless, 0.5 cm long;
Fruitsacorn ovoide, 1-1.5 cm; single to 3 on a short peduncle (to 2 cm long); rippening first year;

Bark, twigs and

bark grey, scaly at first, becoming fissured; twigs slender, sulcate, glabrescent; buds ovoid, 3 mm long;
Hardiness zone, habitatnot hardy; tropical forests;
Miscellaneous-- Sub-genus Quercus, section Lobatae;
-- Closely related to Q.salicifolia and Q.iltisii, from which it differs in having leaves glabrous beneath; before 2003 it was described under name Q.salicifolia;
Subspecies and