Oaks of the World

General dataClassificationsList of speciesLocal namesBack to
home page

  Quercus elliptica

Née 1801. Anales Ci. Nat. 3: 278

Diagnosis here

Synonyms atrescentirhachis Trel. (A. Camus n° 346)
bothryocarpa Trel. 1924 Diagnosis here
chiquihuitillonis Trel. 1924 Diagnosis here
coccinata Trel.
comayaguana Trel. 1930
exaristata Trel.1924 Diagnosis here
guayabalana Trel. ex Standl.1930
hondurensis Trel. 1924   (A.Camus n° 333) Diagnosis here
lanceolata Mart. & Gal. ex A.DC 1864
langlassei Trel. 1924 Diagnosis here
linguifolia Liebm. 1854 Diagnosis here
nectandrifolia Liebm. 1854    (A. Camus n° 327) Diagnosis here
oajacana Liebm. 1854 Diagnosis here
oaxacana Trel. 1924
peradifolia E.F.Warb. 1939
porriginosa Trel. 1924
pubinervis Mart. & Gal. 1843
salicifolia var. oajacana (Liebm.) Wenz. 1884
yoroensis Trel. 1940
yoroensis var. aguanana Trel. 1940
Local names encino cucharita; encino de cerro;
Range Mexico (Guerrero, Jalisco, Mexico, Michoacan, Nayarit, Oaxaca, Sinaloa, Vera Cruz) ; Guatemala ; ; El Salvador ; Honduras ; 500-2400 m ;
Growth habit 2-15 m high; trunk 0.15-0.60 m in diameter;
Leaves 3-12 x 2-6 cm; deciduous; leathery, hard; elliptic, lanceolate or oblanceolate; apex rounded or obtuse, sometimes acute and aristate, and sometimes emarginate; base rounded, cordate or auricled; margin entire, cartilaginous, slightly revolute, without bristles; light green, smooth and shiny above, nearly glabrous (some multiradiate, 5-7 rays, stalked trichomes mostly on vein axils); paler beneath, glabrous or with some stellate hairs along midrib, and axillary tufts; 8-16 vein pairs prominent abaxially; epidermis slightly bullate and papillose; petiole 3-7 mm, tomentose;
Flowers in February-March; male catkins strongly pubescent, 5-9 cm long, with numerous flowers; pistillate inflorescences 0.7-1.5 cm, with 1-5 flowers;
Fruits acorn 1.3-1.5 cm, ovoid; base truncate; singly or 2-3 together; sessile or on a 2-3 mm stalk; shallow cup enclosing only 1/3 of nut, with thin, pubescent, triangular scales; maturing in 1 year in October;

Bark, twigs and

bark dark grey, rough; twigs 2-3 mm in diameter, covered with dense stellate yellow tomentum; small lenticels, covered with the pubescence; buds 3 mm long, reddish, shiny; stipules deciduous, 4-7 mm long;
Hardiness zone, habitat not hardy; well drained soils in wet montane forests;
Miscellaneous -- Sub-genus Quercus, section Lobatae, Series Erythromexicanae;
-- One must not confuse Q.comayaguana Trel. with Q.comasaguana (= Q.vicentensis) !
-- Hybridizes with Q.sapotifolia ;
-- Very close to Q.aristata Hook. et Arn.;
-- For Gorvaerts & Frodin, Q.nectandrifolia is a separate species, but not for today's Mexican Authors (Susana Valencia-Avalos, 2004, who, moreover, makes a synonymy with Q.porriginosa and Q.elliptica).

Subspecies and
--- var. microcarpa A.DC 1864

Exsiccata : botryocarpa