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Quercus carmenensis | |
Author | C.H.Muller 1937 Amer. Midl. Naturalist 18: 847 1937 |
Synonyms | |
Local names | mexican
oak |
Range | Mexico (Coahuila, Sierra del Carmen) ; Texas (Chisos Mountains); 2200-2500 m ; |
Growth habit | spreading, rhizomatous
shrub 0.5-2 m high, or tree reaching 12 m with a trunk to 0.75 m in diameter;
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Leaves | 3-5 x 1.3 cm;
deciduous; oblong to oboval; rather thin, pliable; base rounded or cuneate;
apex obtuse or rounded; margin entire or with shallow lobes or slightly
dentate near apical 1/2; 9-12 pairs of lateral veins, ending the teeth
(if any) in a mucro; dark green, slightly tomentose above; pale green
and densely pubescent beneath; petiole glabrescent, slender, red, 0.5-1
cm long; |
Flowers | male catkins 2-3 cm; female inflorescences 1-5 cm, bearing 2-3 flowers on a thin, tomentose peduncle; |
Fruits | acorn solitary
or paired; subsessile; cup with light brown scales; |
Bark, twigs and |
bark
light grey, striate; twigs often red, remotely pubescent, becoming grey
and glabrous, with raised, pale lenticels; buds pale brown, globose, pubescent,
1-15 mm long; |
Hardiness zone, habitat | hardiness zone : 7; |
Miscellaneous | --
A. Camus : 265; -- Sub-genus Quercus, Section Quercus, Series Leucomexicanae; -- Rare. Threatened (IUCN Red List Category : EN) |
Subspecies and varieties |
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Pictures |
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