Circular winged fruits define this rare tropical shrub, making it easily identifiable among New Caledonian flora.
It is found exclusively in the unique scrublands of this island territory, adapting well to extreme soil environments. Botanists André Guillaumin, Robert F. Thorne, and Jean-Marie Virot published the description of this species in 1965.
This species is a woody shrub or small tree. It features simple, alternate, coriaceous leaves clustered at the ends of branches.
The flowers are small, regular, and arranged in axillary inflorescences.
The most diagnostic feature is the flat, circular samara fruit, which aids in wind dispersal across the open, rocky terrain of its native habitat.
Like other members of the Simaroubaceae family, it synthesizes quassinoids. These organic compounds are currently being researched for potential pharmacological activities, including antitumor and antimalarial properties.
The name cycloptera translates from Greek as 'round-winged,' referencing the characteristic circular shape of the seed pods.
It plays an important ecological role as a pioneer species on ultramafic soils, helping stabilize slopes and accumulate nutrients in harsh environments.
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