Quercus ellipsoidalis
Known Hybrids (1)
Synonyms (1)
Geographic Range
Canada (Ontario); USA (Illinois, Indiana, Iowa, Michigan, Minnesota, Ohio, Wisconsin); 150-500 m; introduced in Europe in 1902;
Growth Habit
reaches 18 m; short trunk, narrow crown; the lowest part of the trunk bears often dead branches;
Leaves
7.5-13 x 6-10 cm; elliptic to oboval; 3 deep lobes each side, lobes lobulate; lobes and lobules bristle-tipped; median lobes longer than other lobes; shiny green above, paler beneath; glabrous both sides except axillary tufts of hairs underneath; 3-4 pairs of lateral veins ; red at fall; petiole glabrous, 2-5 cm;
Flowers
in May;
Fruits
acorn 1.2-2 cm; brown, ellipsoid to rounded, sessile or nearly so; enclosed 1/3 or 1/2 by deep cup with appressed, narrow scales; maturing in 2 years in September;
Common Names
Hardiness & Habitat
hardy; prefers dry, sandy, lime-free soils;
Additional Information
– A. Camus : 428; – Sub-genus Quercus, section Lobatae, Series Coccineae; – Close to Q.palustris , but in dry sites; resembles Q.coccinea , but darker green; – Often treated as variety of Q.coccinea ; – Hybrid with Q.velutina : Q.x paleolithicola ;