| Quercus mohriana | |
| Author | Buckl. 1901 Bull. New York Bot. Gard. 2: 219 pl. 31 |
| Synonyms | |
| Local names | Mohr's shin oak ; |
| Range | W Oklahoma, Texas, New Mexico; North of Mexico (Coahuila and possibly Nuevo León); to 2500 m; |
| Growth habit |
to 1.5 m tall; often rhizomatous, bushy, very low; thicket forming; |
| Leaves | 2-5 x 1-2 cm ; sometimes evergreen; leathery; elliptic-oblong to elliptic-lanceolate; leathery; apex round or obtuse, rarely acute, sometimes mucronate; base rounded, sometimes subcordate; margin entire or with 1-3 pairs of mucronate teeth, asymmetrically arranged and in different numbers on each side; lustrous olive green above, with small, sparce, stellate hairs; pale dull grey, densely tomentose beneath, with simple, not glandular trichomes, stellate trichomes with undulate rays, as well with glandular uniseriate trichomes; midrib and veins (8-9 pairs) flat above and prominent abaxially; petiole pubescent, 3-6 mm long; |
| Flowers | male inflorescence slightly hairy, 2-3 cm long; female inflorescence 0.2-0.8 cm long, bearing 1-3 flowers; |
| Fruits | acorn oblong or elliptical 1-1.4 cm long, glabrous or puberulent at apex; singly or paired on tomentose, short peduncle (to 3 mm); enclosed 1/3 in the halfround cup; cup with straight rim, cupscales triangular to rhomboid, thin, pubescent, obtuse at apex; maturing in 1 year; cotyledons connate; |
|
Bark, twigs and |
bark grey, thin, sulcate; twigs 1-2 mm in diameter, pubescent, greyish; buds dark brown, ovoid or rounded, hairless, 1-2 mm long; stipules deciduous, pubescent, 3 mm long; |
| Hardiness zone, habitat | hardy in zone 7; prefers calcareous soils; |
| Miscellaneous | -- A. Camus : n° 187 ; -- Sub-genus Quercus, Section Quercus, Series Polymorphae; -- Hybridizes with Q. grisea and Q. havardii; these hybrids have not been named; -- Possible confusion with Q. cordifolia, but this species has a cordate foliar base and thickenned cupscales. |
| Subspecies and varieties |
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| Pictures |
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