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 Quercus castanea

Née 1801 Anales Ci. Nat. 3: 276 1801

Diagnosis here

Synonymsalamosensis Trel. 1924
axillaris E. Fourn. ex Trel. 1924   (A. Camus : 317)
castanea A.DC
castanea var. elliptica Trel. 1924
circummontana Trel. 1924
consociata Trel. 1924
crassivenosa Trel. 1924  (A. Camus : 309)
impressa Trel. 1924     (A. Camus : 381)
lanigera Martens & Galeotti 1843    (A. Camus : 373)
mucronata Willd. 1805
pulchella Humb. & Bonpl. 1809
rossii Trel. 1924
rossii Trel. fo. arsenei Trel. 1934
scherzeri Trel. 1924
seleri Trel. 1924
serrulata Trel. 1924
simillima Trel. 1924
spathulistipula Trel.1934
subcrispata Trel. 1924
tepoxuchilensis Trel. 1924   (A. Camus : 378)
tristis Liebm. 1854   (A. Camus : 376) Diagnosis here
verrucosirama Trel. 1924     (A. Camus : 379)
Local namesEncino cascara roja;
Range Mexico (Michoacan, Durango, Guerrero, Hidalgo, Jalisco, Oaxaca, Veracruz); Guatemala; 800 - 2600 m (to 3500 m in Guatemala);
Growth habit 6-20 m tall; trunk to 40 cm in diameter;
Leaves 2.5-10 x 1.2-4.5 cm; leathery, stiff; elliptic, oblong or oblanceolate; apex obtuse to pointed, aristate; base subcordate; margin flat or weakly revolute, cartilaginous, with 5-9 pairs of aristate teeth but sometimes entire, or toothed only near apex; green, lustrous, rough, glabrous (except near petiole) above; tomentose beneath with stalked stellate trichomes and sometimes glandular simple hairs, at first yellow then whitish grey; epidermis bullate; 7-10 pairs of lateral veins impressed above; petiole light yellow brown, pubescent or not, 4-6 mm long;
Flowers June-July ; male catkins 6 cm long, pubescent, with 20-30 flowers; female inflorescences 1 cm with 1-2 flowers;
Fruits acorn 1-2 cm, broadly ovoid ; singly or several together, subsessil or on a stout stalk 2-5 mm long; enclosed 1/3 to 1/2 in cup; cup with thin pubescent scales; maturing in 1 year, from October to January;

Bark, twigs and

bark grey, smooth, becoming furrowed; twigs 1-2 mm thick, coffee tomentose, glabrescent; numerous lenticels; bud ovoid, pointed, light coffee, 2-4 mm long; stipule soon deciduous;
Hardiness zone, habitat hardy zone 8; prefers dry, well drained soils;
Miscellaneous-- A. Camus : n 375;
-- Sub-genus Quercus, section Lobatae;
-- For Tracey Parker (Trees of Guatemala, 2008), Q. tristis is a true species.
-- According to Govaerts & Frodin, Q.axillaris is a true species (= subcrispata), just as Q. impressa, Q.tristis (= consociata, sherzeri), Q.tepoxichilensis (= simillima), Q. verrucosirama (= spathulistipula), Q. crassivenosa and Q. lanigera.
Subspecies and
-- Q. castanea var. tridens (Bonpl.)A.DC 1864
= Q.tridens Bonpl. 1809
sometimes regarded as a synonym for Q.laurina (S. Valencia-A., 2004); for Govaerts & Frodin it is a true species; sometimes less than 3 m. Mexico (Hidalgo);

-- Hybrids with Q. eduardi, Q. sapotifolia