Audio guide for the nature trail
Plant name:
Oleander
Order:
Gentianales
Family:
Apocynaceae
Genus:
Nerium
Species:
Nerium oleander
Floral formula:
⚥ K5 C(5)+corona A5 G¯(2)
Taproot system:
Taproot system with laterale root
Fruits:
Two dehiscent follicles
The oleander walks slowly through history, like certain plants that do not demand attention but end up becoming part of the landscape itself. With its narrow leaves and fluffy flowers, it has settled along the shores of the Mediterranean naturally, as if it had always been there. In reality, its journey is ancient: native to the warmer regions of Southwest Asia, it followed the routes of merchants, the steps of shepherds, the shadow of caravans.
From the Middle East to India, then to Egypt, Greece, Italy... the oleander found in the dry and bright climate of the South a place where its presence could bloom and intertwine with daily life. It did not conquer the places: it simply inserted itself, like a color that completes a landscape.
Today, it is hard to imagine a sunlit avenue without its company. It grows along seasonal rivers, beside the cracked walls of villages, in forgotten gardens and those lovingly tended. In every corner where the sun draws summer, the oleander is there, discreet and unmistakable.
Scientific Insight – The Shape of Lightness
Nerium oleander is the only member of its genus, part of the large Apocynaceae family, which includes many plants with intense flowers and elegant posture. An evergreen shrub, it can reach up to six meters in height, but it does so without haste. Its leaves, lanceolate and arranged in whorls, are a small treatise on plant efficiency: they reduce water loss and capture light with precision.
The flowering – long, generous, almost stubborn – occurs from late spring until autumn. The colors range from white to bright pink, to a red that seems to retain the warmth of the day. The flowers, fragrant in some varieties, attract butterflies and bees, contributing to a small natural dance around each bush.
But behind this light appearance lies a chemical complexity: the oleander contains cardioactive glycosides, including oleandrin. All its parts, even the seeds and the water in which it is immersed, are toxic if ingested. The plant, however, does not impose itself for this: it does not seek to repel, but simply guards its own integrity. It is a boundary between beauty and caution.
Symbolism, Folklore, History, and Curiosities – The Flower That Hears Silences
Over the centuries, the oleander has accumulated stories and symbols, often contrasting like its delicate petals and solid structure. In ancient Greece, it was called rhododaphne, the “rose of laurel,” a name that unites two plant worlds: that of fragrance and that of strength.
In later times, its flower was associated with transition, with the beyond. It is no coincidence that it is often found in the cemeteries of Southern Europe: not so much as a funeral symbol, but as a gentle presence, silently accompanying memory. In India, its counterpart, the "kaner," is part of ceremonies and offerings, where beauty becomes ritual gesture.
Folklore tells of travelers and lovers, of crowns woven with oleander branches, of mistaken potions and intuitive remedies. In Arabic literature, it is the flower of waiting and melancholy. In some legends of Southern Italy, the oleander blooms where a woman has waited too long, turning waiting into root.
Practical Uses – A Beauty That Asks for Nothing
Despite being toxic, the oleander has been used in various cultures for practical purposes, always with great caution. In antiquity, it was cultivated in courtyards and cloisters, more for its ability to decorate than for any real domestic use. Rarely employed in folk medicine, it was instead appreciated for its ornamental function and, sometimes, protective: it was believed to keep away evil spirits and certain insects.
In Roman times, it was planted next to baths and in the gardens of coastal villas. Its branches, intertwined, formed hedges that offered shade and color, and delineated spaces with simple elegance.
Today, it continues to be chosen for roadside borders, public gardens, city flowerbeds: not out of necessity, but for the continuity it represents. It is like a signature of the Mediterranean landscape, adding a familiar tone wherever it appears. Its presence speaks of sun, sea, light stone: it is a detail that tells an entire emotional geography.
The oleander does not impose its presence. It does not shout, it does not defend itself. It grows where time flows slowly, and the landscape needs continuity. It is a plant that lets itself be looked at, like one looks at a road one knows well: with affection, and a silent sense of belonging.