This species, a liana, is known only from a collection made in the 1980s in the wet coastal forests in the Los Ríos Province of eastern Ecuador.
The habitat is now extensively fragmented and the species might well be extinct.
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edited: 27.01.2022
The Western Guatteria is known only from the type that was collected in the Portovelo Canton in the El Oro Province of Ecuador in 1918.
The species has not seen since and might be extinct.
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edited: 13.11.2021
Leaf-shedding Uvaria (Uvaria decidua)
This species is only known by the type material that was collected in 1935 in the vicinity of the city of Lindi in southern Tanzania; it has never been rediscovered since and might indeed be extinct.
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edited: 27.04.2021
King’s Alphonsea (Alphonsea kingii)
King’s Alphonsea is known only from the type material which was collected in the Kinta District of Perak, Malaysia, a region that today is heavily mined over, thus the survival of this species appears to be very doubtful.
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edited: 30.04.2021
Sodiro’s Guatteria is known only from two old herbarium specimens that apparently both were collected in the Pallatanga valley in the Chimborazo Province of Ecuador.
The species has not been found since and might be extinct.
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edited: 13.11.2021
The Ecuadorian Annona is a large tree that was found only once, in 1995, in the wet coastal forests in Cerro Azul in the Guayas Province of Ecuador.
The only known locality is now a working quarry and this species is very likely almost if not completely extinct now.
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edited: 27.01.2022
The Usambara Anonidium was a large tree that grw in the Usambara Mountains of Tanzania.
The species is known from a single collection that was made in 1910, it has never been found since and is considered extinct.
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edited: 25.04.2022
The Small-seeded Guatteria is known from a herbarium specimen that was collected near Guayaquil, the capital of the Guayas Province of Ecuador sometimes between 1788 and 1788, as well as from a second specimen, which again was collected about a century later
The species was not found recently and is very likely extinct.
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Depiction from: ‘H. Ruiz López; J. A. Pavón: Flora Peruviana, et Chilensis. Vol. 4-5. Anales del Instituto Botánico A.J. Cavanilles. Vol. 12-16. 1954-1959
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https://creativecommons.org/licenses/by-nc-nd/4.0/
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edited: 13.11.2021