| Quercus uxoris | |
| Author | McVaugh 1972 Contr. Univ. Michigan Herb. 9: 513 |
| Synonyms | |
| Local names | |
| Range | Mexico, in the Sierra Madre del Sur (Jalisco, Colima, Guerrero, Chiapas, Oaxaca); 900 - 2500 m; |
| Growth habit | 10-40
m, with trunk to 1 m in diameter, and more; |
| Leaves | 9-25
x 4-10 cm; lately deciduous; more or less leathery; elliptic or oval;
apex acute or acuminate, aristate; base obtuse, rounded or acute; margin
thick, rolled under, dentate-serrate, with 9-18 pairs of bristle-tipped
teeth (2-8 mm long); yound leaves with yellowish tomentum; mature leaves
shiny green, becoming glabrous above except near base of midrib; paler
beneath with short, stalked, stellate trichomes scattered on the blade
and yellowish stellate axil tufts; 10-14 vein pairs, straight, impressed
beneath; epidermis pale green, smooth, papillose; petiole 1.2.4 cm long,
pubescent; |
| Flowers | in
March; staminate catkins 6-12 cm long, hairy, with more than 70 flowers;
pistillate flowers 1-2 on a 0.5-1 cm long rachis; |
| Fruits | acorn
1.5-2 cm long, 1.5 cm wide, flattened at apex, apex covered with a fine,
slightly golden tomentum; enclosed 1/3 or less by patelliform to slightly
hemispherical cup, 1.5-2 cm wide, with pubescent appressed scales; |
|
Bark, twigs and |
bark
dark brown; twigs 2-5 mm thick, densely golden-yellow pubescent first
year, becoming hairless, red brown, with prominent pale lenticels; buds
2-7 mm long, ovoid, pointed, hairy at margin, coffee-coloured; |
| Hardiness zone, habitat | not
quite hardy; prefers dry sites; |
| Miscellaneous | --
Sub-genus Quercus, section Lobatae, Series Erythromexicanae, Group Acutifoliae;
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| Subspecies and varieties |
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| Pictures |
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