Ostrya knowltonii

Botanical Description

Ostrya knowltonii is a deciduous tree growing up to 12 metres tall[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ]. The tree is harvested from the wild for local use of its wood[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ]. Ostrya knowltonii is a rare tree with a sporadic population that may occur as small isolated subpopulations over its range. It is classified as Vulnerable in some parts of its range but subpopulations in the Grand Canyon National Park and upper Colorado river have remained stable and the species is projected to have the largest range extensions among deciduous trees in N. America due to projected climates of the 21st century. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2014)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].