| Quercus grahamii | |
| Author | Benth. 1840 |
| Synonyms | acutifolia var. angustifolia
A.DC 1864 , nom. illeg. acutifolia var. bonplandii A.DC 1864 anglohondurensis C.H.Muller 1942 Diagnosis here conspersa f. caudata Trel. 1924 conspersa f. ovatifolia Trel. 1924 grahamii f. brevipes Trel. 1924 grahamii f. nelsonii Trel. 1924 monserratensis C.H.Muller 1942 (A. Camus : n° 382) Diagnosis here sartorii Botteri ex A.DC 1864, not Liebm. 1854 tenuiaristata Trel. 1938 tonaguiae Trel. 1924 |
| Local names | encino chilillo ; |
| Range | Mexico (Chiapas, Nayarit, Durango, Guerrero, Jalisco, Michoacan, Puebla, 0axaca) from 600 m to 2500 m ; Guatemala; Belize; Honduras; |
| Growth habit | 10-30 m ; trunk from 30 cm to 1 m in diameter; |
| Leaves |
5-14 cm long, 2-4 cm wide; 3-4 times as long as wide; persistent until next leaves appear; subcoriaceous, stiff; more or less narrowly elliptic or elliptic-lanceolate; apex pointed, sometimes attenuate, bristle-tipped; base rounded or attenuate, often oblique; margin often undulate, entire or more often with 5 to 13 short, bristle-tipped teeth on each margin, sometimes only on apical 2/3; mature leaves shiny above, glabrous or with trichomes along midrib; paler underneath, glabrous or sometimes with axil tufts of stellate hairs, without glandular hairs; 5-13 straight veins pairs flat adaxially, slightly raised beneath; epidermis smooth, not papillose; 0.9-2 cm long, glabrous petiole; |
| Flowers | from January to April; male catkins 7-13 cm long, hairless, with 10-35 flowers; pistillate ones 0.5-2 cm long, 1 to 5-flowered; |
| Fruits | acorn 1-1.9 cm long, glabrescent, with thin pericarp; singly or paired, sessile or on a very short peduncle, ovoid; enclosed for 1/3 or 1/2 of length in a shallow cup with straight rim, covered with smooth, appressed, tomentose scales; maturing in 2 years; |
|
Bark, twigs and |
dark coffee-coloured, furrowed bark; 1 to 3 mm long twigs, at first yellow brown tomentose, then glabrous with few stellate hairs, reddish brown, with yellow lenticels; brown, ovoid, pointed buds, 3 to 6 mm long, with hairy scales; stipules 5 mm long, pubescent, deciduous; |
| Hardiness zone, habitat | a little tender, but withstands -15°C; |
| Miscellaneous |
-- A. Camus : n° 307; |
| Subspecies and varieties |
-- hybridizes with Q. mexicana; |
| Pictures |
|
