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Editor's Picks

Group by Sequoiadendron giganteum
IOS Tour of California, Part 1: Northern California
From Davis to Los Angeles
Chris Reynolds | Oct 30, 2024
Group photo at Otay Mountains
IOS Tour of California, Part 2: Southern California
From Los Angeles to the Otay Mountains
John Leszczynski | Oct 30, 2024
Quercus boyntonii Conservation Plan
Quercus boyntonii Conservation Action Plan
Partners at The Morton Arboretum, in collaboration with...
Website Editor | Oct 29, 2024

Plant Focus

Quercus dumosa acorn
Species Spotlight: Quercus dumosa Nutt.
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.
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Plant Focus

Species Spotlight: Quercus leucotrichophora A. Camus

By Meenakshi Negi | February 12, 2022
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The decline in regeneration potential of Quercus leucotrichophora is of great concern in the Kumaun Himalayan region.

 

Species Spotlight: Quercus costaricensis Liebm.

By Francisco Garin Garcia | November 25, 2021
Quercus costaricensis leaves

Quercus costaricensis is a Central American oak belonging to the subgenus Quercus, section Lobatae.

Cultivar Close-Up: Quercus aliena 'Lutea'

By Roderick Cameron | October 11, 2021
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A gold-leaf cultivar of a Japanese oak is popular in Australia

Species Spotlight: Quercus infectoria subsp. veneris (A. Kern.) Meikle

By Jean Stephan | October 10, 2021
Figure 2: Lobed leaves of Boissier oak covered with honeydew, Baskinta, Lebanon

Boissier oak was originally named Quercus boissieri Reut. and later Quercus boissieri var. latifolia (Boiss.) Zohary, but the current accepted name is Q. infectoria subsp. veneris (A. Kern.) Meikle

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)

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

By Ryan Russell | February 9, 2021
Quercus texana New Madrid acorn

Disentangling the cultivar published as Quercus texana ‘New Madrid’

Species Spotlight: Quercus skinneri Benth.

By Francisco Garin Garcia | December 6, 2020
Quercus skinneri

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

Species Spotlight: Quercus lyrata Walter

By Matt Candeias | October 6, 2020
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A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog

Cultivar Close-Up: Bokrijk Cultivars

By Roderick Cameron | August 14, 2020
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Six oak cultivars originally described by Jef Van Meulder in 2014.

Species Spotlight: Quercus stenophylloides Hayata

By Joeri Strijk | June 8, 2020
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Quercus stenophylloides is a medium-sized evergreen oak (15–18 m tall) restricted to central and northern Taiwan.

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