| Quercus microphylla | |
| Author |
Née 1801 Anales Ci. Nat. 3: 264 Diagnosis here |
| Synonyms | frutex var. uhdeana
Trel. 1924 macrocarpa Endl. 1848, nom. illeg. not Michx. 1801 microphylla var. uhdeana (Trel.) A.Camus 1939 repanda Benth. 1840, not Bonpl. 1809 |
| Local names | |
| Range | Mexico
(Aguascalientes, Durango, Guanajuato, Hidalgo, Jalisco, Nuevo Leon, Oaxaca,
Puebla, Querétaro, Tamaulipas, Tlaxcala, Veracruz, Zacatecas) ;
2000-3000 m ; |
| Growth habit | small
shrub 0.4-1 m tall, branched even at base of trunk; |
| Leaves | 1-3
x 0.7-1.8 cm; deciduous; sub-chartaceous; elliptic more or less narrowly,
or oval; apex obtuse or rounded, often mucronate; base rounded or subcordate;
margins flat or slightly revolute, entire or slightly toothed near apex
(1-2 pairs of teeth); lustrous grey-green, rough above, with stalkless
6-8 rays stellate hairs; yellowish persistent tomentose beneath (fascicled
stalkless trichomes with up to 15 rays); 4-7 veins pairs prominent beneath;
epidermis bullate and papillose, whitish; petiole tomentose 2-4 mm; |
| Flowers | pistillates flowers on a tomentose peduncle reaching 1cm long, 1mm thick; |
| Fruits |
acorn
1-1.5 cm; globose to ovoid; mucronate; stalkless; singly or paired;
enclosed 1/3 by scaly, half-round or flattened conical cup; |
|
Bark, twigs and |
bark
fissured, not scaly, dark; twigs 1-4 mm in cross-section, glabrescent
the second year; bud ovoid to globose, 1-2mm, brown, obtuse, with ciliate
scales; |
| Hardiness zone, habitat | not
hardy; prefers dry places; |
| Miscellaneous |
-- A. Camus : n° 242; -- Possible confusion with Q.
striatula but this species has subcoriaceous, 0.5-2 cm x 0.3-0.7
leaves, margins flat, and is not taller than 1 m; |
| Subspecies and varieties |
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| Pictures |
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