Recent Blog Posts

Chamaecyparis obtusa

  • Posted on: 20 June 2017

The characteristic scale leaves of Hinoki Cypress (Chamaecyparis obtusa) - from both sides.

Araucaria araucana

  • Posted on: 20 June 2017

A group of Earthwatch volunteers with the specimen locally called "Mother Tree" of Araucaria araucana, in Conguillío National Park, Chile, January 1996. Middle bottom: Zsolt Debreczy, with wife Gyöngyi Biró on his left.

Cupressus dupreziana

  • Posted on: 20 June 2017
Hike to Tassili Plateau #2
Cupressus dupreziana in Djabbaren (Algeria).

Cupressus dupreziana

  • Posted on: 20 June 2017

A memorable day – after getting permission to visit the Djabbaren site of Cupressus dupreziana the team is ready for a hike to the plateau. Starting from Djanet (1040 m) very early morning in the dark, we reach the plateau (varies around 1700 m) in good light and take many photos. István (middle) is led by a native Touareg guide called Agaahmed Mohamed, accompanied by two local officials. The main photo was taken by expedition coordinator Gadiri Nassim, the inset photo by István.

Picea glauca male and female cones

  • Posted on: 4 April 2017

Male and female cones of a mature tree of /Picea glauca/, at the botanical garden of the University of West Hungary (Sopron).


Picea engelmannii subsp. mexicana

  • Posted on: 4 April 2017

Rare in cultivation, this young tree of /Picea engelmannii /subsp. /mexicana /is cultivated at Forstgarten Tharandt, Germany.

Cryptomeria japonica - Sugi

  • Posted on: 17 March 2017

One of the most important native trees of Japan, Sugi occurs almost everywhere – in gardens, parks, plantation forests, in the famous planted avenue in Nikko, and in a few ancient forests like those in Yakushima.

Abies pseudochensiensis - Kámon Fir

  • Posted on: 16 March 2017

A distinct mistery fir that received its name when published in Acta Botanica Hungarica in 2010. The tree challenged us for many years: it all goes back to our visits to the Arboretum of Kámon (Kámoni Arborétum) in western Hungary, where there was a large tree named Abies chensiensis var. ernestii...