Characteristics of Madagascar Olive Tree (Noronhia emarginata) in the Wild

Noronhia emarginata
The Madagascar olive (Noronhia emarginata syn Olea emarginata) is a tree species native to Madagascar and is now naturalized in Mauritius, Réunion, and Bermuda.

This tree is tolerant of hot tropical climates, it can even live by the coast and in urban areas where the weather is hot with air pollution, hard soil, and poor drainage.

Apart from hot places and bad environmental conditions, Madagascar Olives can also live in the shade. It can tolerate clay soils, loam soils, sandy soils, and acid or alkaline soils. However, this tree prefers dry soil conditions and full sun throughout the day.


Characteristics of Madagascar Olive Leaf

Noronhia emarginata Leaf
Source: and Kim Starr

Madagascar Olive Leaves opposite, elliptical or oval, about 15-17 cm long and 10 cm wide, with all margins and apex.


Characteristics of Madagascar Olive Flower

Noronhia emarginata Flower
Source: Ng

The flowers are small, white or pale yellow, and fragrant.


Characteristics of Madagascar Olive Fruit

Noronhia emarginata Fruit
Source: Ng

Madagascar Olives are round, 2-3 cm in diameter, yellow, dark purple, dark brown, hard, and slightly rough when ripe. The seeds are dark light brown and 10-12 mm in diameter


Characteristics of Madagascar Olive Tree

Noronhia emarginata Tree
Source: and Kim Starr

The Madagascar Olive Tree grows as a shrub or small tree that can grow 5-12 meters tall. The bark is smooth, the branches are sturdy, and the terminal twigs are even.

The Madagascar olive is cultivated as an ornamental tree in subtropical and tropical regions and has become an invasive species in several regions, especially Hawaii.


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