Quercus glaucescens
Synonyms (4)
Geographic Range
Mexico (Michoacan, Oaxaca. Querretaro, Mexico, Nayarit, Veracruz, Guerrero, Jalisco); 250-1400 m;
Growth Habit
6 to 20 m tall, trunk to 40 cm in diameter;
Leaves
10-16 x 4-6 cm; deciduous; leathery; oboval or elliptic; apex acute; base rounded or subcordate; margin thickened, revolute, crenate-dentate with 3-6 pairs of mucronate teeth ; light green, slightly lustrous, nearly hairless above (stalkless, stellate trichomes and dark glandular ones on veins); yellowish green beneath, nearly glabrous (pubescence made of small, sessile, stellate hairs and dark glandular ones at vein axils); 8-9 vein pairs; petiole 5-8 mm long, glabrous;
Flowers
from March to May; staminate catkins 5-6 cm long, with numerous pubescent flowers; pistillate inflorescences 1 cm long, with 1-2 pubescent flowers;
Fruits
acorn solitary 2-3 cm long; solitary or paired on peduncle 1-2 cm long; enclosed 1/3 by halfround cup; maturing first season (from June to August);
Common Names
Hardiness & Habitat
not hardy ;
Additional Information
– A. Camus : n° 200; – Sub-genus Quercus, Section Quercus, Series Leucomexicanae; – For Susana Valencia-Avalos (2004) the following species are synonyms of Q.glaucescens : Q.synthetica , Q.nigrirhachis and Q.texquitzinae . – For Govaerts, 2007, Q. chinantlensis ( Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider 1854: 179 1854. ) is a true species, closely related to Q. glaucescens , in Mexico (Oaxaca, Veracruz)
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