Tachiadenus umbellatus Klack.
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: 1926
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
Madagascar
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Klackenberg, J. 1990. Famille 168 - Gentianacées. Flore de Madagascar et des Comores, Muséum National d'Histoire Naturelle.
Other references:
Rabarimanarivo, M. & Ravololomanana, N. 2017. Tachiadenus umbellatus. The IUCN Red List of Threatened Species 2017: e.T70102501A70139911. https://dx.doi.org/10.2305/IUCN.UK.2017-2.RLTS.T70102501A70139911.en. Accessed on 09 July 2022.
Chassalia coursii Bremek.
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: 1945
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
Madagascar
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Bremekamp, C.E.B. 1962. Revision des Chasallia de Madagascar. Candollea 18: 195--238.
Other references:
Razafiniary, V. 2020. Chassalia coursii. The IUCN Red List of Threatened Species 2020: e.T65611891A66167574. https://dx.doi.org/10.2305/IUCN.UK.2020-1.RLTS.T65611891A66167574.en. Accessed on 09 July 2022.
Ixora kalehensis De Block (2018)
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: 1960
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
DR Congo
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
De Block, P. 2018. Ixora kalehensis, a new Rubiaceae species from the Democratic Republic of the Congo. Plant Ecology and Evolution 151(3): 442–448. DOI: 10.5091/plecevo.2018.1523.
Other references:
De Block, P., Simo-Droissart, M. & Tack, W. 2021. Ixora kalehensis. The IUCN Red List of Threatened Species 2021: e.T145607842A145607848. https://dx.doi.org/10.2305/IUCN.UK.2021-3.RLTS.T145607842A145607848.en. Accessed on 08 July 2022.
Lasianthus subglobosus H.Zhu
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: 1934
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
Sabah, Malaysia
Biology & Ecology
Hypodigm
Media
References
Tsen, S., Hor, C.S., Damit, A., Khoo, E., Matusin, D., Maycock, C.R., Mohd Yusof, Nur Adillah, Nilus, R., Sugau, J. & Pereira, J.T. 2021. Lasianthus subglobosus. The IUCN Red List of Threatened Species 2021: e.T162023088A162033688. https://dx.doi.org/10.2305/IUCN.UK.2021-3.RLTS.T162023088A162033688.en. Accessed on 08 July 2022.
Zhu, H., Roos, M.C. and Ridsdale, C.E. 2012. A Taxonomic Revision of the Malesian Species of Lasianthus (Rubiaceae). Blumea 57(1): 1-102.
Praravinia neriifolia Bremek.
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: 1928
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
Sabah, Malaysia
Biology & Ecology
Hypodigm
Media
References
Hoo, P.K., Maycock, C.R., Damit, A., Khoo, E., Nilus, R., Sugau, J., Tanggaraju, S., Tsen, S. & Pereira, J.T. 2020. Praravinia neriifolia. The IUCN Red List of Threatened Species 2020: e.T162019382A162033563. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T162019382A162033563.en. Accessed on 08 July 2022.