Oaks of the World

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  Quercus purulhana

Trel. 1924 Mem. Natl. Acad. Sci. 20: 63

Diagnosis here

Synonyms aguana Trel. 1940
barbeyana Trel. 1924
pilicaulis f. armata Trel. 1924
pilicaulis f. hurteri Trel. 1924
pilicaulis f. concava Muell. 1937
pilicaulis f. elongata Muell. 1937
pilicaulis f. exserta Muell. 1937
Local names
Range Belize, Guatemala (near Purulha), Honduras, Nicaragua, Mexico ; 300 - 1400 m ;
Growth habit 6-20 (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;
Flowers staminate inflorescences 4-8 cm long; pistillate inflorescences 1.5-4 cm, bearing 1-4 flowers;
Fruits 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;

Bark, twigs and

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, habitat not hardy; prefers dry soils; pine-oak mixed forests;
Miscellaneous -- Sub-genus Quercus, Section Quercus, Series Leucomexicanae
-- Hybrids with
-- Closely related to
Q.magnoliifolia Née ;

Subspecies and