Species

Quercus marilandica (L.)Münchh.

LC

Known Hybrids (10)

Synonyms (5)

dilatata Raf., non Royle ferruginea F.Michx neoashei nigra Wang. non L. nobilis
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Data from Oaks of the World

Geographic Range

East and Southeast USA; to 1000 m; introduced in Europe in 1739;

Growth Habit

3-9 m (sometimes more, to 17 m); crown rounded, low, irregular;

Leaves

6-15 x 5-10 cm; oboval; 3 (rarely 5) pointed lobes at apical 1/2; base cuneate; leathery, thick; shiny green above; rusty tomentose beneath; midrib white; petiole pubescent 2-3 cm long;

Flowers

staminate and pistillate in early summer;

Fruits

acorn 1-2 cm, globose or nearly so; pale brown; stout peduncle 0.5 cm long; enclosed 1/2 by cup; cup top-shaped, with tomentose scales;

Common Names

blackjack oak

Hardiness & Habitat

hardy; prefers lime-free, sandy soils, even poor; slow-growing;

Additional Information

– A.Camus : n° 415; – Sub-genus Quercus, section Lobatae, subsection Phellos; – Described in 1704 after a tree from Maryland ; very rare in Europe ; – Hybridizes with : Q.velutina (= Q.x bushi i Sarg.), Q.ilicifolia (= Q.x brittonii ), Q.imbricaria (= Q.x tridentata ), Q.phellos (= Q.x rudkini ) ;

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