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Quercus castanea | |
Author |
Née 1801 Anales Ci. Nat. 3: 276 1801 Diagnosis here |
Synonyms | alamosensis 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 Bonpl. 1809 Diagnosis here 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 names | Encino
cascara roja; |
Range | Mexico
(Colima, Chiapas, Mexico, Michoacan, Durango, Guanajuato, Guerrero, Hidalgo,
Jalisco, Morelos, Nayarit, Oaxaca, Puebla, San Luis Potosi, Sinaloa, Sonora,
Tamaulipas and Veracruz); Guatemala; 800 - 2600 m (to 3500 m in Guatemala);
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Growth habit | 8-25 m tall; trunk to 40 cm and more in diameter; crown 4-8 m. diam.; |
Leaves | 3-10
x 2-4 cm; leathery, stiff; elliptic, lanceolate, oblanceolate or elliptic-oblong;
apex obtuse to pointed, shortly aristate; base obtuse, subcordate, truncate
or slightly oblique; margin flat or weakly revolute, cartilaginous, with
1-7 pairs of short aristate teeth in the distal half or 2/3, but sometimes
entire (only aristate, without teeth), or toothed only near apex; green,
dull, rough, mostly glabrous (except near petiole) above; tomentose beneath
with stellate (13-18 crispate rays), stipitate trichomes and sometimes
glandular simple hairs, at first yellow then whitish grey, sometimes glabrescent;
epidermis abaxially lustrous, bullate; 5-12 pairs of lateral veins slightly
impressed above, raised beneath; petiole light yellow brown, more or less
pubescent, 3-12 mm long; |
Flowers | May-June ; male catkins 6 cm long, pubescent, with 20-30 flowers; female inflorescences 0.3-0.5 cm with 1-2 flowers; |
Fruits | acorn 5-15 mm, broadly ovoid ; singly or paired, sessil or on a stout stalk 2-5 mm long; enclosed 1/3 in cup; cup halfround to obconical, 7-12 x 3-7 mm, with straight rim and thin pubescent scales; maturing in 1 year, from October to January; |
Bark, twigs and |
bark
dark grey, smooth, becoming furrowed con plates; twigs 1-2 mm thick, sulcate,
coffee tomentose, glabrescent; few inconspicuous lenticels; bud ovoid,
ellipsoid to conical, rounded to pointed, light brown, 1.8-4 mm long,
1.4 mm wide, scales ovate ciliate at margin; |
Hardiness zone, habitat |
hardy zone 8; prefers dry, well drained soils; |
Miscellaneous |
-- A. Camus : n° 375; |
Subspecies and varieties |
-- 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); |
Pictures |
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