The pubescent oak ( Quercus pubescens ) is a tree with foliage null and void of the moderate areas of the northern hemisphere, pertaining to the family of the Fagacées. Its name comes from Latin pubescens : with short and soft hairs (lower face of the sheets and young branches). It is an adaptation of the tree to the Sécheresse.
Biological characters
- Tree from 10 to 25 meters in height. Its foliage is caducifoliée.
- Longévité higher than 500 years
- It is a monoïque species. The date of flowering extends from April at May. It is pollinated by the insects but is dispersed by the animals (zoochorie).
- It is a species Postpionnière.
Descriptive characters
- trunk often short and tortuous in full field, length and right in forest
- full and clear houppier
- branches of the year pubescent, grisâtres
- buds brown, ovoid
- alternate, lobed, glabrous tops, pubescent sheets lower part
- sessile nipples
Geographical distribution
This species is present primarily in Europe of the South and the Middle East. One also finds it in Central Europe, and it develops on calcareous ground in the northern half of France. It is absent in
Brittany and in the Landes.
One does not find this species above 1400 meters altitude. It belongs to the Mediterranean stage and the stage collinéen.
Ecological requirements
- thermophilous Species, but supporting the cold.
- heliophilous Species
- Species developing on practically all the types of ground.
Spatial distribution
This species forms wood lights or develops in the waste lands, on the grounds limestones of slopes.
References