Ostrya knowltonii (Canyon Ironwood) is a species of tree in the family Betulaceae. They have a self-supporting growth form. They are listed as critically endangered by IUCN. They are native to The Contiguous United States, Western North America, United States, and China. They have simple, broad leaves. Individuals can grow to 7.2 m.
EOL has data for 21 attributes, including: