Quercus purulhana Trel.

Belize, Guatemala (near Purulha), Honduras, Nicaragua, Mexico ; 300 - 1400 m ;

6-20 (25) m tall;

13-20 x 5-10 cm; oblong-elliptic or oboval; leathery; apex rounded or subacute; base rounded or subcordate; margin cartilaginous, entire or crenate, seldom toothed (if so, with shallow, mucronate, rounded teeth), slightly wavy and revolute; lustrous, remotely hairy above; densely tawny tomentose beneath especially along midrib; 15-20 vein pairs impressed above, raised beneath; petiole 4-8 mm long, reddish-brown;

staminate inflorescences 4-8 cm long; pistillate inflorescences 1.5-4 cm, bearing 1-4 flowers;

acorn 1.2-1.7 cm; singly or 2-3 together; peduncle 1-2.5 cm long; enclosed 1/2 or 3/4 by half-round cup; cup with oval, appressed, densely pinkish brown tomentose scales; pericarp hairless inside; maturing in 1 year;

– Sub-genus Quercus, Section Quercus, Series Leucomexicanae – Hybrids with Q.segoviensis ; – Closely related to Q.magnoliifolia Née ;