Plant Focus

Hybrid Highlight: Quercus ×comptoniae Sarg.

By Roderick Cameron | June 16, 2021

The Compton oak at Colonial Williamsburg

A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)

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Cultivar Close-Up: Quercus ‘New Madrid’, Sorting Out the Confusion

By Ryan Russell | February 9, 2021

Disentangling the cultivar published as Quercus texana ‘New Madrid’

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Species Spotlight: Quercus skinneri Benth.

By Francisco Garin... | December 6, 2020

Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.

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Species Spotlight: Quercus lyrata Walter

By Matt Candeias | October 6, 2020

A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog

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Cultivar Close-Up: Bokrijk Cultivars

By Roderick Cameron | August 14, 2020

Six oak cultivars originally described by Jef Van Meulder in 2014.

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Species Spotlight: Quercus stenophylloides Hayata

By Joeri Strijk | June 8, 2020

Quercus stenophylloides is a medium-sized evergreen oak (15–18 m tall) restricted to central and northern Taiwan.

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Hybrid Highlight: Quercus ×vilmoriniana A.Camus

By Roderick Cameron | April 12, 2020

An intercontinental artificial hybrid raised at Arboretum national des Barres.

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Species Spotlight: Quercus hypophaea Hayata

By Joeri Strijk | April 9, 2020

First described by the Japanese botanist Bunzō Hayata in 1913, Quercus hypophaea is a medium to large evergreen oak restricted to the southeastern part of Taiwan.

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Species Spotlight: Quercus tarokoensis Hayata

By Joeri Strijk | February 10, 2020

Quercus tarokoensis (local name 太鲁阁栎 tai lu ge li, "oak of Taroko") is a fairly unknown oak species, restricted to eastern Taiwan.

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Cultivar Close-Up: Quercus 'Maya' and 'Zehra'

By Ryan Russell | February 10, 2020

There are a growing number of unique hybrid selections that feature Quercus rysophylla as one parent.

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Editor's Picks

Oaks in Oz: Australian Oak Open Days, May 8–13, 2025

Oak collections and much more in Canberra, New South Wales...

Website Editor | Aug 11, 2025

Nay! Its Née, not Neé

A controversial publication proposes to change the...

Roderick Cameron | Aug 05, 2025

Group photo with champion Quercus arkansana in Bokrijk Arboretum

Belgian Oak Open Days: May 29–June 1, 2025

A team of reporters share their take on the event.

Website Editor | Jun 22, 2025

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt

Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’

A naturally occurring hybrid between Quercus robur and Q. alba.