General data | Classifications | List of species | Local names | Back to home page |
Quercus trinitatis | |
Author |
Trel. 1924 Mem. Natl. Acad. Sci. 20:143, pl. 277 Diagnosis here |
Synonyms | |
Local names | |
Range | Mexico, in the Sierra Madre Oriental, Sierra Norte of Oaxaca and mountains of Chiapas; (Chiapas, Puebla, Hidalgo, Oaxaca, Veracruz); El Salvador; 1500-2200 m; |
Growth habit | |
Leaves |
7-18 cm x 2-6; coriaceous; lanceolate, sometimes oblong or elliptic; apex acute or acuminate, aristate, often curving; base rounded or cuneate; margin entire, thick but not revolute, undulate; hairless above; hairles beneath or glabrate, with tufts of fasciculate hairs at axils, without glandular trichomes; 9-14 vein pairs, slightly prominent adaxially, raised beneath; epidermis slightly papillose; petiole 0.9-3 cm long, glabrous. |
Flowers | |
Fruits | acorn ovoid, glabrous, 1.4-1.8 cm long, included 1/3 to 1/4 in cup; cup halfround, scales smooth, flat, appressed; mature next year from September to November. |
Bark, twigs and |
twigs 1.5-2.5 mm thick, terete, more or less hairy, brown lenticels pale, conspicuous; bud ovoid to globose, 2.5-3 mm, ovate, glabrous, scale margin ciliate; |
Hardiness zone, habitat | |
Miscellaneous | --
A.Camus : n° 363; -- Sub-genus Quercus, Section Lobatae, Series Erythromexicanae; -- Similar to Q. delgadoana which differs in having 10-20 adaxially impressed vein pairs, and a revolute margin; |
Subspecies and varieties |
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Pictures |
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