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Editor's Picks

q._grahamii_beatrice.jpg
Who was Quercus grahamii named in honor of?
Roderick Cameron | Dec 17, 2024
Quercus rubra in autumn
The Tree of the Year Association in Germany selected a non-...
Website Editor | Dec 16, 2024
Image from Enarrationes
A 16th century commentary on the medicinal property of oaks...
Website Editor | Dec 16, 2024

Plant Focus

Quercus magnosquamata acorn
A  little-known species from the northern Zagros forests of Iran

Mexican oaks

Species Spotlight: Quercus crassipes Bonpl.

Quercus crassipes acorns with inrolled cupule margin

One of the more well-known Mexican oaks in cultivation.

Gene Flow and a Mexican Metacollection in IOS Webinar #2

Slide from Dr. Hipp's presentation

As acorns were falling off the trees throughout the Northern Hemisphere, IOS members gathered virtually for Webinar #2.

Jim Conrad's Oak Notes

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The IOS recently received an inquiry from Jim Conrad about a strange phenomenon he observed on a twig of a Quercus ×dysophylla in the Eastern Sierra Madre in Mexico, where what appeared to be multiple styles emerged from a bud. It turns out they may be fungal reproductive bodies.

Mexican Oaks at Armstrong Arboretum

Quercus rysophylla

Notable oaks from south of the border.

John Fairey (1930–2020)

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Remembering John Fairey, legendary plantsman and founder of the amazing Peckerwood Garden, who sadly passed away March 17, 2020.

Exciting news for quercophiles: a new book about Mexican oaks will be published in June. It will be in Spanish, but extensively illustrated. It is available for pre-order with an attractive discount on cover price. Below is an image of the sales brochure, with a translation of the text.