Oaks of the World

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 Quercus purulhana
AuthorTrel. 1924
Synonyms  
Local names 
RangeBelize, Guatemala (near Purulha), Honduras, Nicaragua, Mexico ; 300 - 1400 m ;
Growth habit6-20 (25) m tall;
Leaves 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;
Flowersstaminate inflorescences 4-8 cm long; pistillate inflorescences 1.5-4 cm, bearing 1-4 flowers;
Fruitsacorn 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;

Bark, twigs and
buds

bark rough, yellow grey to blackish; twigs 2-4 mm thick, densely tomentose at first, becoming hairless, pinkish brown, with pale, raised lenticels; buds oval, 2-3 mm long;
Hardiness zone, habitatnot hardy; prefers dry soils; pine-oak mixed forests;
Miscellaneous -- Section Quercus;
-- hybrids with
Q.segoviensis;
-- closely related to
Q.magnoliifolia Née ;
Subspecies and
varieties
 
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