| Quercus lyrata | |
| Author | Walt. 1788 Encycl. 1: 719 |
| Synonyms | bicolor var. lyrata (Walt.) Dippel 1891 |
| Local names | overcup oak ; swamp post oak ; |
| Range | Southeastern United States, from New Jersey to Texas; 0-200 m ; introduced in Europe in 1786; |
| Growth habit | 15-25 m ; crown rounded, with numerous branches; trunk short, often tortuous; |
| Leaves | 10-20 x 4-10 cm; oboval, lyre-shaped; apex pointed or obtuse; base cuneate attenuate; 3-5 pairs of lobes, very shallow near base; dark green, hairless obove; silvery tomentose beneath at first, becoming more or less glabrescent; 5-8 vein pairs; petiole 1 to 2.5 cm long, slender, orangish yellow; |
| Flowers | |
| Fruits | acorn 2.5-5 cm long, subglobose, minutely puberulent; singly or paired; almost all covered by scaly, subsessile cup; maturing in 1 year; cotyledons distinct; |
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Bark, twigs and |
bark light grey brown, fissured into plates; twig thick, reddish grey, hairy becoming glabrous, with small grey lenticels; buds 3 mm long, with grey pubescence; |
| Hardiness zone, habitat | hardy; prefers moist soils; slow-growing; |
| Miscellaneous | -- A. Camus : n° 277 ; -- Sub-genus Quercus, Section Quercus, Subsection Prinoideae; -- Hybrids with Q.virginiana (= x comptoniae), bicolor (= x humidicola), macrocarpa (= x megaleia), stellata (= x sterrettii), michauxii (= x tottenii) ; |
| Subspecies and varieties |
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| Pictures |
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