Oaks of the World

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  Quercus diversifolia
Author Née 1801 Anales Ci. Nat. 3: 270
Diagnosis here
Synonyms tomentosa var. diversifolia (Née) A.DC 1864
ambigua Bonpl. 1809 Diagnosis here
bonplandiana Sweet 1826
Local names
Range Central Mexico (Nuevo Leon, Durango, Mexico, Puebla, Veracruz)
Growth habit 3-5 m tall;
Leaves 2.5-7 x 1.2-2.5 cm; subevergreen; elliptic or oval-oblong; apex acute ; base cordate ; crenate-dentate on the apical part or subentire on the same twig; adaxially hairless, tomentose beneath; 7-13 veins pairs; petiole short;
Flowers
Fruits acorn solitary or to 5 together on a peduncle to 5 cm ;

Bark, twigs and
buds

bark dark and furrowed; twig thin (2-3 mm), slightly sulcate, densely yellow tomentose, tomentum persisting the second year; bud brown or much paler, ovoid-rounded, 2 mm in diametre;
Hardiness zone, habitat
Miscellaneous -- Camus : tome 2, p. 652, n° 251 (with Q. deserticola) ; with this comment by A. Camus : "species rather dubious"...
-- Sub-genus Quercus, Section Quercus, Series Leucomexicanae;
-- Threatened (IUCN Red List Category : EN).

 
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