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Quercus xalapensis | |
Author |
Bonpl. 1809 Pl. Aequinoct. 2: 24 Diagnosis here |
Synonyms | runcinatifolia f. alata Trel.
& Mull. 1936 huitamalcana Trel. 1924 sierramadrensis C.H. Muller 1942 serra Liebm. 1854 Diagnosis here xalapensis var. longifolia (A.DC) Wenz. 1884 vexans Trel. 1924 |
Local names | capulincillo; hojeador; carrasco manzanero; |
Range | Mexico
(Hidalgo, Oaxaca, Puebla, Tamaulipas, Veracruz); 1100-2000 m ; |
Growth habit | 5-25
m tall; |
Leaves | 7-16 x 2.5-6 cm; deciduous; semi-leathery; more or less broadly oval, lanceolate, seldom elliptic or oblong; apex acute or acuminate, aristate; base obtuse, rounded, sometimes truncate or subcordate; margin flat, cartilaginous, dentate from base to apex (5-10 pairs of 0.5-2 mm long teeth with long bristle-tips); adaxially green, lustrous, hairless or with some short, stellate, stalked trichomes near base of the midvein; abaxially light green, hairless or with axil tufts of large stalked stellate hairs, and short stellate hairs scattered on the blade and the veins, without golden glandular hairs; 6-11 vein pairs, orangish, strongly raised abaxially, mostly flat above (seldom impressed); epidermis slightly papillose; petiole 1-4 cm long, glabrous or with some stellate trichomes; |
Flowers | from
February to April; male inflorescences 4-9 cm long, with at least 30 flowers;
pistillate inflorescences very short, bearing 1-3 flowers; |
Fruits | acorn
1-1.5 cm long, 1.1-1.4 wide; ovoid to globose; glabrescent, mucronate;
singly or paired; subsessile on a 0.2-0.3 cm long peduncle; cup half-round
or turbinate, 1.3-1.9 cm wide, with tawny tomentose, appressed scales,
enclosing 1/3 to 1/2 of nut; pericarp pubescent inside; maturing in 2
years in September; |
Bark, twigs and |
bark
rough, dark grey, thick; twigs 1-3 mm in diameter, hairless, or slightly
pubescent first year, dark red brown turning grey, with inconspicuous
white raised lenticels; buds ovoid ou conical, pointed, 3-6 mm long, with
ciliate margin scales; |
Hardiness zone, habitat | not quite hardy (zone 7-8); |
Miscellaneous |
-- A. Camus : n° 395; |
Subspecies and varieties |
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Pictures |
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