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The flora of Port-Cros

The remaining forest on the Mediterranean coast is protected along with the Aleppo pine. Their numbers are decreasing while the oak is developing . Some rare species are also protected there like Jupiter's beard (Anthyllis barba-jovis ) and catnip.

There are also species of the low bush such as the strawberry tree and tree heath.

The insularity and the diversity of environments are behind this floral abundance and variety, with over 700 species, including some rare species such as the needle-leaved broom or endemic species such as a sort of Delphinium.

The forest of oak, once covering the entire island, with the exception of the ridges and rocky areas which are too dry, is still found today in the damp valleys. As a result of deliberate or accidental clearing - in 1870, the island was almost completely burned - the Aleppo pine, strawberry tree and tree heath occupy a very large area. Under these trees grow species that like shade, like the arisarum, the fern and a wide variety of mushrooms.

In more open areas, the low bush forms dense thickets dominated by the mastic tree, the myrtle and the Phoenicean Juniper.

There is an extensive coastal vegetation which is adapted to the salty environment but is threatened by heavy trampling. Sea fennel, cineraria maritima, dwarf statice, everlasting flower.... grow in rock crevices. The Jupiter's beard, particularly resistant to spray, shows its large silver branches that protect the most vulnerable species.

Rock roses, rosemary and lavender are found growing wild along trails well exposed to the sun, as well as the helianthemum, the asphodel and the Lavatera. This is also where the needle-leaved broom   harmoniously develops into outstanding hedges between two crops.