General data | Classifications | List of species | Local names | Back
to home page |
Quercus ariifolia | |
Author | Trel. 1924 Mem. Nat. Acad. Sci. 20:74, pl. 97. 1924 |
Synonyms | |
Local names | |
Range | Mexico, in the Sierra Madre Oriental (Hidalgo, Nuevo León, Puebla, Queretaro, San Luis Potosi and Veracruz); 1900-2890 m; |
Growth habit | 7-15 (-20) m ; |
Leaves |
6-12 cm x 3-7; coriaceous; obovate, elliptic, rarely ovate; flat abaxially; apex obtuse; base rounded to subcordate; margin revolute, with 2-4 pairs of mucronate teeth; adaxially rugose, glabrous or with fasciculate hairs along midrib; abaxially tomentose, made of whitish fasciculate trichomes, with long crispate rays, and sometimes with glandular trichomes; 7-11 veins pairs, ascending, straight or mederately curved, impressed above, prominent beneath; epidermis bullate and papillose; petiole 0.6-1 cm tomentose to glabrescent, with fasciate trichomes; |
Flowers | in May; |
Fruits | acorn ovoid to globose, 1-1.5 cm long, 1 to 5 or more together on a 2-7 cm long pubescent peduncle; included 1/4 to 1/2 in the cup; cup halfround 1.2-1,4 cm long and in diameter, with margin erect, and smooth triangular scales; maturing first year in September and October; |
Bark, twigs and |
twig 2-4 mm thick, grey, tomentose, with pale inconspicuous lenticels; bud ovoid or conical, 2-4 mm long with ciliate, brown scales; stipules 5-7 mm long, persisting at the apex of the twig; |
Hardiness zone, habitat | oak forest ; |
Miscellaneous |
-- Sub-Genus Quercus, Section Quercus, Série
Leucomexicanae, Group Reticulatae; |
Subspecies and varieties |
|
Pictures |
|