Oaks of the World

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  Quercus lancifolia
Author Schltdl. & Cham. 1830 Linnaea 5: 78, not Benth. 1840
Synonyms

aaata C.H.Muller 1942 Diagnosis here
boqueronae Trel. 1924 Diagnosis here
corrugata Hook. 1842 Diagnosis here
cyclobalanoides Trel. 1915 Diagnosis here
excelsa Liebm. 1854 Diagnosis here
insignis subsp and var. pilarius (Trel.)A.E.Murray 1983
lancifolia Liebm. ex A.DC 1864
lancifolia var. monocarpa Wenz. 1884
lancifolia f. subintegra Trel. 1924
lancifolia f. pilosicuscula Wenz. 1884
leiophylla A.DC 1864
molinae C.H.Muller 1950
ovandensis Matuda 1950
pilaria (or pilarius) Trel. 1924 Diagnosis here
pilgeriana Seemen 1904
reeevesii Trel. 1924 Diagnosis here
yousei Trel. 1938

Local names  
Range Mexico (Veracruz, Chiapas); Guatemala, Costa Rica, Honduras; 700 - 2400 m;
Growth habit 4-20 m, with a trunk 30-50 cm in diameter;
Leaves 7-15 x 3-6 cm; oblanceolate to elliptic, seldom oblong; subleathery; apex broadly acuminate, mucronate or not; base cuneate or sometimes rounded; margin slightly thickened, flat or remotely revolute, cartilaginous, crenate or serrate-dentate in apical 1/2, with 3-7 pairs of mucronate teeth sometimes curved towards foliar apex, mucronate or not; adaxially green or grey-green to yellowish-green, lustrous, almost glabrous with some slender, simple, appressed hairs along midvein or at least toward the base; lower face identical to upper one; 10-13 vein pairs, rather straight, prominent on both surfaces; epidermis smooth ; petiole hairless or not, 3-8 mm long;
Flowers staminate inflorescences 4-6 cm long; pistillate inflorescences 1-2 cm, few flowered;
Fruits acorn 1.3-2 cm long, 1.2-2 cm in diameter; mucronate; pale brown; 1-2 on short peduncle; enclosed 1/3 to 1/2 by cup; cup halfround or shallower, 1.5-2 cm in diameter, with tuberculate scales ; maturing in 1 year;

Bark, twigs and
buds

bark almost smooth, light brown, peeling into thin, flat scales; twigs 1-2.5 mm thick, variably pilose; pale grey lenticels; buds hairless or not, subglobose, 2-3,5 mm long; stipules 4-7 mm long, silky, variably persistent;
Hardiness zone, habitat not quite hardy;
Miscellaneous -- A. Camus : n 292 ;
-- Sub-genus Quercus, Section Quercus, Series Leucomexicanae;
-- Q. lancifolia Benth. (nom. illeg.) = Q. affinis
-- Hybridizes with Q.bumelioides and Q.insignis ;
-- Closely related to
Q.germana Schltdl. & Cham., in Mexico;
-- For Susana Valencia-Avalos (2004), Q. pilarius (diagnosis here) is a true species (= yousei);
Subspecies and
varieties
 
Pictures

drawing

Exsiccata boqueronae