| Quercus hintonii | |
| Author | E.F.Warb. 1939 Bull. Misc. Inform. Kew 1939: 91 |
| Synonyms | ochroestes E.F.Warb. 1939 sagata E.F.Warb. 1939 apiophylla E.F.Warb. 1939 |
| Local names | encino prieto |
| Range | Center of Mexico;
1300 to 2000 m ; |
| Growth habit | reaches 15 m, with trunk to 30-50 cm in diameter; |
| Leaves | 5-20 x 3-10 cm; deciduous; leathery; oboval, oval or elliptic; apex pointed more or less acuminate, aristate; base obtuse to slightly cordate, sometimes acute, often asymmetrical; margin thick, revolute, cartilaginous, entire or toothed (1-4 pairs of aristate teeth), sometimes toothed only near apex or only one side; shiny light green (red when unfolding), hairless above (except stellate trichomes along midvein and glandular trichomes at base of the limb); underside densely yellowish white tomentose, tomentum made of stellate trichomes with 1,5 mm long rays and golden glandular trichomes; epidermis smooth; midrid sometimes prominent adaxially; 6-14 secondary veins pairs, sunken adaxially; petiole 0.7-2.5 cm long, densely tomentose; |
| Flowers | in March; male
catkins many-flowered, 3-10 cm long; female inflorescences pubescent,
1-1,4 cm long, with 1-6 flowers; |
| Fruits | acorn globose
6-15 mm long, slightly flattened at apex; 1 to 4 on a very short peduncle
6-7 mm long; cup very shallow, not rolled at rim, with scales pointed
at apex, enclosing less than 1/4 of nut; maturing in 1 year, from June
to August; |
|
Bark, twigs and |
bark dark grey, rough when young, broken into square plates; young twigs 1-4 mm in diameter, densely yellowish stellate tomentose, becoming dark; white lenticels; bud 2-7 mm long, with hairy scales; stipules deciduous, more than 1 cm long; |
| Hardiness zone, habitat | mixed
forests oaks-pines; not hardy; |
| Miscellaneous | -- A.
Camus : n° 344; -- Sub-genus Quercus, Section Lobatae, Subsection Erythromexicanae, group Crassifoliae; -- Threatened (IUCN Red List Category : EN) |
| Subspecies and varieties |
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| Pictures |
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