Oaks of the World

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 Quercus laurina
AuthorHumb. & Bonpl. 1809
Synonymsbarbinervis Benth. 1840
bourgaei Oerst. ex Hemsl. 1883    (A. Camus : 357)
bourgaei var. ilicifolia Trel. 1924
caerulocarpa Trel. 1924     (A. Camus : 350)
chrysophylla Bonpl. 1809    (A. Camus : 364)
lanceolata Humb. & Bonpl. 1809
laurina Liebm. ex A.DC 1864
major (A.DC) Trel. 1922
laurina var. major (A.DC) Wenz. 1884
nitens var. major A.DC 1864
orizabae Liebm. 1854
roseovenulosa Trel. 1924
salicifolia Benth.
1840 not Née 1801
tlapuxahuensis A.DC 1864
treleaseana A.Camus 1932     (A. Camus : 359)
tridens Bonpl. 1809
Local namesencino uricua ;
Range Mexico in the Sierra Madre del Sur and in the Volcanic trans-Mexican Belt (Guerrero, Veracruz, Michoacan, Oaxaca, Jalisco, Hidalgo) ; Guatemala ; 1600 - 3600 m ;
Growth habit10-30 m; trunk 15-100 cm wide;
Leaves 4-15 x 1-5 cm; oblong lanceolate to elliptic-oblanceolate; thick, leathery, stiff; apex pointed or acuminate, usually bristle-tipped; base varying : usually rounded or attenuate, sometimes obtuse, cuneate, or subcordate; margin thick, not revolute, most often entire, sometimes weakly toothed in apical 1/3 (1-5 pairs of aristate teeth); lustrous green above, glabrous or with some stellate trichomes near base; lustrous yellow green, hairless beneath or with some whitish glandular trichomes at vein axils; 6-10 vein pairs, flat or slightly raised adaxially; épidermis papillose ; petiole 0.5-3 cm, yellow tomentose;
Flowers staminate catkins hairy, 4 cm long, with more than 10 flowers; pubescent pistillate inflorescences in April, with 1 to 3 flowers;
Fruits acorn 1.5-2 cm ; singly or paired; peduncle 3-8 mm; enclosed 1/2 by cup; cup half-round, not rolled at rim, with woody scales, enclosing half of the nut; maturing in 2 years;

Bark, twigs and
buds

bark scaly, rough, dark grey; twig 1-2.5 mm thick, dark chestnut with some lenticels, pubescent at first, becoming nearly hairless at the end of first year; buds ovoid to globose, glabrous, 2-4 mm long;
Hardiness zone, habitat not quite hardy (?); prefers deep soils;
Miscellaneous-- A. Camus : n° 358;
-- Section Lobatae;
Subspecies and
varieties
-- Forms hybrids with Q. affinis which is closely related;
Pictures