Aextoxicon punctatum

Aextoxicon punctatum, commonly known as olivillo or tepu, is a unique evergreen tree species that constitutes the sole member of the family Aextoxicaceae. This plant is a botanical rarity, possessing evolutionary characteristics that set it apart from other angiosperms. Its distinct taxonomic status makes it a subject of significant interest in evolutionary biology and dendrology.

The native habitat of this species is confined to the temperate rainforests of Chile, spanning from the Linares province down to the Chiloé Archipelago. It thrives in high-humidity environments characterized by mild temperatures and consistent precipitation throughout the year. The tree plays a crucial role in maintaining the structure of native Chilean forest ecosystems.

Botanically, the tree typically reaches heights of up to 20 meters. It is characterized by thick, leathery, dark green leaves which feature distinctive pellucid dots on their undersides, giving the species its specific epithet. Being a dioecious species, it requires both male and female trees to be present in proximity for cross-pollination and subsequent fruit development, which produces small drupes.

Cultivation requirements for Aextoxicon punctatum demand deep, nutrient-rich, and well-drained soils. The species is highly sensitive to extreme frost and prolonged drought periods. In agricultural or horticultural settings, it requires a sheltered environment with partial shade to mimic the conditions of its native forest understory during the initial growth stages.

In terms of хозяйственное (economic) use, the wood of the olivillo is highly valued for its durability, hardness, and fine grain. It is traditionally utilized in cabinetry, high-quality furniture making, and local construction. Furthermore, its aesthetic value and evergreen foliage make it a candidate for specialized landscape gardening in suitable oceanic climates, despite its slow growth rate.

• Family: Aextoxicaceae
• Region: Chile
• Form: Evergreen tree
• Key Uses: Cabinetry, fine furniture
• Biological Status: Endemic species