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Quercus rubramenta | |
Author | Trel. 1934 Repert. Spec. Nov. Regni Veg. 33: 318 |
Synonyms | |
Local names | |
Range | Mexico (Guerrero, in the Sierra Madre del Sur); 2200-2950 m; |
Growth habit | 25-40 m; trunk to 1 m in diameter; |
Leaves | 10-25 cm X 3-8; deciduous; leathery; ovate lanceolate to elliptic; apex pointed, acuminate; base rounded or attenuate; margin entire, thick, slightly wavy, with sometimes 1 or 2 pairs of bristle-tipped teeth near apex; glabrous on both sides, with sometimes axil tufts beneath; 11-24 vein pairs, adaxially raised or not, raised underneath; petiole becoming soon glabrous, 2-5 mm long; |
Flowers | from February to April ; male catkins 5-12 cm long; pistillate ones 1.5-2 cm, usually 3-flowered; |
Fruits | acorn 1-1.8 cm long, oblong-ellipsoid, pubescent, singly or to 3 together, stalkless on a 1-3 cm long peduncle; cup halfround to slightly conical, silky inside, with lanceolate scales, enclosing 1/3 to 1/2 of nut; maturing in 1 year, from June to August; |
Bark, twigs and |
twig 2-4 mm thick, greyish to tawny, with pale, inconspicuous pale lenticels; bud lanceolate-ovoid, 2-10 mm long X 2-4 mm wide, yellowish at apex, with lanceolate, silky scales ciliate along margin; stipules deciduous when leaves are mature, glabrescent, 5-15 mm long; |
Hardiness zone, habitat | |
Miscellaneous | -- A. Camus = n° 363; -- Sub-genus Quercus, section Lobatae, Series Erythromexicanae, Group Benthamiae; -- Threatened (IUCN Red List Category : VU). -- Frequently considered as synonym of Q. salicifolia -- For Zavala-Chavez, 2003, it is a variety of Q.conspersa. |
Subspecies and varieties |
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