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Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal  © Amit Zoran
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026)  © Gerald Collett
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

Why I Draw Oaks

I have been drawing Fagaceae species for twenty years and in 2004 I published Pictorial Encyclopedia of Oaks in Japan. You may ask why I draw Fagaceae exclusively, but I have no specific reason for this. I just happened to start drawing them and continued the work because it was a pleasure to do so. I used to draw illustrations for children's books, but I wanted to draw real things as precisely as possible instead of drawing simple images featuring what I was asked to show. I like animals, birds, and insects, but they are hard to catch. There are beautiful flowers like roses, orchids and cherry blossoms, but they are already very popular subjects for drawings. So I decided to pick some trees, because I like big trees.

Quercus aliena Blume

 

Quercus serrata Murray

Though I like trees, I have not studied botany. Therefore, I decided to pick some trees which could be found easily. They would be those found in parks or in the natural forest.

Quercus myrsinifolia Blume

Fagaceae drop fruit which can be good marks to locate the tree. So I chose them. Japanese children like acorns. They go to the park every autumn to pick acorns and colored leaves, and make toys or handcrafts in kindergarten or elementary school. There are many kinds of acorns, round, big or small, but we call all of them donguri in Japan. Even adult people call them donguri, not knowing the exact species name, and sometimes they tell me they do not know that oaks flower.

Quercus acutissima Carruth.

Japanese people ate acorns until a hundred years ago. Acorns are not tasty, but they were one of the available foods along with millet for the majority of people in feudal times, when only upper cl ass people could eat rice. So acorns helped save many people then and were a part of the culture of the time. However, as the first phonic character don means inferior or second grade, don-guri means not tasty as guri, which means chestnut. It is true, but I think it is an unfair name considering their contribution in the past.

Quercus acutissima Carruth.

I learned a lot while drawing, then I wanted to know more and it kept me drawing. Since publishing my book I travel internationally with my retired husband to find noteworthy acorns, like the largest or the smallest. It is really fun, but what is more important is that I have been able to meet many friendly people around the world through my drawing activity.

Keiko Tokunaga

For more information on Keiko's art cilck here.