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Quercus scytophylla | |
Author |
Liebm. 1854 Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider 1854: 180 Diagnosis here |
Synonyms | campanariensis Trel.1924 Diagnosis here epileuca Trel. 1924 Diagnosis here incarnata Trel. 1924 Diagnosis here |
Local names | Encino
amarillo |
Range | Mexico (Chiapas,
Guerrero, Mexico, Michoacan, Nayarit, Oaxaca, Puebla, Jalisco, Durango,
Sinaloa, Sonora) ; 800-2600 m ; |
Growth habit | 6-20 m tall, trunk to 30-60 cm or more; |
Leaves | 7-16
x 3-7 cm; deciduous or weakly persistent; oboval, elliptic, oblanceolate
or lanceolate; thick, subcoriaceous; very rough; apex pointed, with aristate
tooth; base acute or attenuate, sometimes oblique; margin thick, flat,
cartilaginous, serrate-dentate with 3-6 pairs of teeth with 0.5-4 mm long
bristled tips; greyish green above, dull, glabrous or with multiradiate
and sometimes glandular trichomes near base of midrib; densely whitish
tomentose beneath with 20-40 rayed sessile trichomes; 5-9 vein pairs prominent
beneath, and impressed above; epidermis abaxially dull, bullate and papillose;
petiole 1-4 cm long; |
Flowers | in February; staminate carkins 3-5 cm, loosely few-flowered; pistillate flowers pubescent, 1-2 on a short rachis 3-10 mm long; |
Fruits | acorn 1-1.7
cm long, 0.9 cm in diameter; solitary or paired on a 5-15 mm long peduncle;
cup halfround 10-12 mm in diameter, enclosing 1/2 or 2/3 of nut; maturing
in 1 year in October; |
Bark, twigs and |
bark
scaly; twigs 1.5-2.5 mm thick, dark brown, becoming glabrous, with numerous
inconspicuous lenticels; buds obtuse, ovoid, 2-3 mm long; |
Hardiness zone, habitat | not quite hardy (?); all types of soils; |
Miscellaneous |
-- A. Camus : n° 301; |
Subspecies and varieties |
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Pictures |
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