Plant Focus

Hybrid Highlight: Quercus ×hispanica Lam. - A Non-Hispanic Hybrid

By Roderick Cameron | March 30, 2017

A naturally occurring hybrid, widely adopted by the nursery trade in the form of cultivars, labors under a misnomer: there is precious little Hispanic about Quercus ×hispanica.

Read more about Hybrid Highlight: Quercus ×hispanica Lam. - A Non-Hispanic Hybrid

Cultivar Close-up: Quercus ×bebbiana 'Taco'

By Ryan Russell | August 1, 2016

Found in the late 1980s by Guy Sternberg in Springfield, Illinois, this selection was noted early on for its rapid growth rate and strong central leader.

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Cultivar Close-up: Quercus robur 'Timuki'

By Ryan Russell | August 1, 2016

This cultivar was selected by Raimond Cinovskis, from the Botanical Garden of the Academy of Sciences, Salapils, Latvia and was introduced by Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Průhonice, Czech Republic.

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Hybrid Highlight: Quercus ×heterophylla F. Michx.

By Ryan Russell | August 1, 2016

Quercus-x-heterophylla_6-Andreas Gomolka

Named in honor of one of America’s first botanists, John Bartram, Quercus ×heterophylla is known by many as Bartram’s oak.

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Species Spotlight: Quercus ilicifolia Wangenh.

By Rebecca Dellinger | June 4, 2016

Quercus ilicifolia is a little oak with a big name: bear oak.

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Species Spotlight: Quercus crassifolia Bonpl.

By Roderick Cameron | January 26, 2016

Quercus crassifolia is tree ranging in height from 4 to 15 meters, and is usually easily recognized by its leaves: stiff and leathery, glossy blackish green above, covered with a layer of pale brown hairs beneath, and with bristle-tipped teeth above the widest part of the leaf.

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Species Spotlight: Quercus rotundifolia Lam.

By Website Editor | March 8, 2015

A Mediterranean oak with a long-standing relationship with humanity.

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Species Spotlight: Quercus georgiana M.A. Curtis

By Ryan Russell | November 18, 2014

Georgia oak is known from 15 counties in Georgia and possibly small pockets in Alabama, with an unverified report in North Carolina. One of these locations is Stone Mountain, just northeast of Atlanta, GA

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Species Spotlight: Quercus austrocochinchinensis Hickel & A. Camus

By Website Editor | March 4, 2014

Propagation and reintroduction of an endangered oak: Quercus austrocochinchinensis. An article by Qian-sheng Li and Min Deng, orginally published in Oak News & Notes, Vol. 18. No. 1

Read more about Species Spotlight: Quercus austrocochinchinensis Hickel & A. Camus

Species Spotlight: Quercus pubescens Willd.

By Thierry Lamant | March 23, 2013

Quercus pubescens Willd. is a species with a wide native range, found across the European continent, from Portugal to Lebanon and from Russia into Southern Germany.

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Editor's Picks

Taxonomists Huddle at Harvard

The Harvard University Herbaria hosted a novel Oak Taxonomy...

Jeannine Cavender-Bares | Apr 21, 2026

Argentine Oak Collections through Italian Eyes

Visits to three collections of Quercus in Buenos Aires...

Morgan Santini | Apr 05, 2026

Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica

In Memoriam: Michel Duhart (1923–2026)

On April 1st, the very day he turned 103, a great friend...

Francisco Garin Garcia | Apr 05, 2026

Species Spotlight: Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas

Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

Hybrid Highlight: Quercus ×hispanica Lam. - A Non-Hispanic Hybrid

By Roderick Cameron | March 30, 2017

A naturally occurring hybrid, widely adopted by the nursery trade in the form of cultivars, labors under a misnomer: there is precious little Hispanic about Quercus ×hispanica.

Read more about Hybrid Highlight: Quercus ×hispanica Lam. - A Non-Hispanic Hybrid

Cultivar Close-up: Quercus ×bebbiana 'Taco'

By Ryan Russell | August 1, 2016

Found in the late 1980s by Guy Sternberg in Springfield, Illinois, this selection was noted early on for its rapid growth rate and strong central leader.

Read more about Cultivar Close-up: Quercus ×bebbiana 'Taco'

Cultivar Close-up: Quercus robur 'Timuki'

By Ryan Russell | August 1, 2016

Read more about Cultivar Close-up: Quercus robur 'Timuki'

Hybrid Highlight: Quercus ×heterophylla F. Michx.

By Ryan Russell | August 1, 2016

Named in honor of one of America’s first botanists, John Bartram, Quercus ×heterophylla is known by many as Bartram’s oak.

Read more about Hybrid Highlight: Quercus ×heterophylla F. Michx.

Species Spotlight: Quercus ilicifolia Wangenh.

By Rebecca Dellinger | June 4, 2016

Quercus ilicifolia is a little oak with a big name: bear oak.

Read more about Species Spotlight: Quercus ilicifolia Wangenh.

Species Spotlight: Quercus crassifolia Bonpl.

By Roderick Cameron | January 26, 2016

Read more about Species Spotlight: Quercus crassifolia Bonpl.

Species Spotlight: Quercus rotundifolia Lam.

By Website Editor | March 8, 2015

A Mediterranean oak with a long-standing relationship with humanity.

Read more about Species Spotlight: Quercus rotundifolia Lam.

Species Spotlight: Quercus georgiana M.A. Curtis

By Ryan Russell | November 18, 2014

Read more about Species Spotlight: Quercus georgiana M.A. Curtis

Species Spotlight: Quercus austrocochinchinensis Hickel & A. Camus

By Website Editor | March 4, 2014

Propagation and reintroduction of an endangered oak: Quercus austrocochinchinensis. An article by Qian-sheng Li and Min Deng, orginally published in Oak News & Notes, Vol. 18. No. 1

Read more about Species Spotlight: Quercus austrocochinchinensis Hickel & A. Camus

Species Spotlight: Quercus pubescens Willd.

By Thierry Lamant | March 23, 2013

Quercus pubescens Willd. is a species with a wide native range, found across the European continent, from Portugal to Lebanon and from Russia into Southern Germany.