Quercus x rudkinii  (Q. marilandica x phellos) hybrid oak Fagaceae QUXRU; R, pr (planted), ro, x;

  

Pavia Nurseries (Belgium) ©Jan De Langhe, Ghent University Botanical Garden, 2009. Quercus x rudkinii.Trehane, P. (2007 onwards). The Oak Names Checklist. Published on the internet. www.oaknames.org (Accessed 5/2014).

Pavia Nurseries (Belgium) ©Jan De Langhe, Ghent University Botanical Garden, 2009 (Accessed 5/2014).

Quercus x rudkinii is a tree in the red oak group.

Leaves very variable, even on the same twig; stalk very short, top blunt with bristle tip; base rounded to slightly lobed; margin entire or with blunt lobes; young leaves hairy, often rusty coloured below.

Flowers monoecious, small, males in catkins, females 1-few together.

Fruit acorns.

Wetland status: NL. 

Frequency in NYC: Rare but unlisted. 

Origin: Native. 

Habitat: Not fussy.