| Quercus planipocula | |
| Author |
Trel. 1924 Mem. Natl. Acad. Sci. 20: 136 Diagnosis here |
| Synonyms | planipocula
f.subsessileifolia Trel. 1924 |
| Local names | encino
rosillo; |
| Range | Mexico
(Guerrero, Jalisco, Michoacan, Nayarit, Sinaloa); 680-2000 m; |
| Growth habit | 12
(-15) m tall, trunk to 40 cm in diameter; |
| Leaves | 9-20 x 7-10 cm; elliptic to oval; stiff, leathery; apex acute, acuminate, aristate; base rounded, or subcordate; margin thickened, revolute, cartilaginous, crenate or dentate, sometimes entire, with 1-7 pairs of bristle-tips; dark green above, not lustrous, hairless except some short stellate hairs along midvein; yellowish beneath with tomentum made of stellate, short stalked trichomes and golden glandular hairs; 10-15 vein pairs, straight, prominent beneath; epidermis papillose; petiole 0.8-1.8 cm long, pinkish, glabrous or pubescent; |
| Flowers | February to March; male catkins 8.5 cm long, with numerous flowers ; pistillate flowers 1-2 at tip of a tomentose peduncle less than 1.5 cm long; |
| Fruits | acorn
1.5-2 cm long, broadly ovoid; singly or paired; enclosed 1/3 to 1/2 by
cup; cup flat, with rim thick and rolled under, with thin, light brown,
appressed scales; maturing in 2 years in July-August; |
|
Bark, twigs and |
bark
blackish, rough, furrowed; twigs 2-3 mm thick, at first densely yellow
pubescent (stellate trichomes, sessile or with a short stalk), then glabrescent;
inconspicuous lenticels; buds ovoid 3-5 mm long; |
| Hardiness zone, habitat | not
quite hardy (zone 8); prefers deep, well drained, sandy soils; |
| Miscellaneous | --
Sub-genus Quercus, section Lobatae, Series Erythromexicanae; -- Related to Q.hintonii; |
| Subspecies and varieties |
|
| Pictures |
|
