Oaks of the World

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  Quercus melissae
Author

Nixon & Barrie 2017
Synonyms
Local names
Range Mexico (Chiapas); Guatemala; 700-2300 m;
Growth habit reaches 20 m;
Leaves

6-17 cm x 4-9, ca. 2 times as long as wide; oboval to broadly elliptic; apex broadly acute or obtuse to rounded; base rounded or subcordate; margin entire to crenate or irregularly dentate; adaxially dull grey-green, glabrous; abaxially with scattered, tangled, multiradiate hairs, with or without some glandular trichomes along veins; 10-15 pairs of secondary veins, ascending, straight, reaching the margin; petiole 4-9 mm, glabrous or nearly so with a scurfy pubescence;

Flowers
Fruits

acorn 1.8-2.1 cm long, 1.2-1.6 cm wide, ovoid, light to dark brown, puberulent at apex, single or paired, subsessile or on a 0.2-1.3 cm long peduncle; cup halfround or slightly flattened, with greyish pubescent scales, tuberculate near base; annual; cotyledons most often fused;

Bark, twigs and
buds

twig 2-3 mm thick, grey or dark brown, glabrous or with a scattered scurfy pubescence; lenticels slightly raised; stipules deciduous, sometimes long-lasting; bud 4-6 mm, ovoid to conical, acute at tip, brown or tan;
Hardiness zone, habitat dry oak and oak-pine forests;
Miscellaneous

-- Sub-genus Quercus, Section Quercus; Series Leucomexicanae;
-- Differs from Q. segoviensis Liebm. which has shorter petioles (2-4 mm), longer peduncles (1-6 cm) and free cotyledons;
-- Related to Q. glaucoides Mart. & Gal.
-- Resembles Q. tuberculata Liebm. from the Northern and Western Mexico; may be confused as well with Q. liebmannii, but the latter has free cotyledons and the lower side of the leaves is densely tomentose.
Subspecies and
varieties
Pictures

 

More Pictures HERE