Psychotria diffusa cervina Elmer (1909:592)

Taxonomy & Nomenclature

Synonym/s: Psychotria cervina (Elmer) Elmer in Leafl. Philipp. Bot. 3: 1022 (1911)

Conservation Status

Extinct (Christenhusz & Govaerts, 2024; POWO, 2024)

Last record: 1908 (Christenhusz & Govaerts, 2024)

Distribution & Habitat

Negros, Philippines

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]

Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 9 November 2024]

Sohmer, S. H. and Davis, A. P. (2007). The genus Psychotria (Rubiaceae) in the Philippine Archipelago. Sida, Botanical Miscellarry 27: 1-247.

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Psychotria crassifolia culionensis Sohmer & A.P.Davis (2007:157)

Taxonomy & Nomenclature

Conservation Status

Extinct (Christenhusz & Govaerts, 2024; POWO, 2024)

Last record: 1922 (Christenhusz & Govaerts, 2024)

Distribution & Habitat

Culion, Philippines

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Sohmer, S. H. and Davis, A. P. (2007). The genus Psychotria (Rubiaceae) in the Philippine Archipelago. Sida, Botanical Miscellarry 27: 1-247.

Other references:

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]

POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 9 November 2024]

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Pauridiantha camposii (G.Taylor) N.Hallé (1965:95)

Taxonomy & Nomenclature

Synonym/s: Urophyllum camposii G.Taylor in A.W.Exell, Cat. Vasc. Pl. S. Tomé: 202 (1944)

Conservation Status

Extinct (Christenhusz & Govaerts, 2024) or Invalid (synonym of P. paucinervis) (POWO, 2024)

Last record: 1907 (Christenhusz & Govaerts, 2024)

Distribution & Habitat

São Tomé

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]

Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Ntore, S. and Lachenaud, O. (2020). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi), n.s., Rubiaceae Tribu XVI a XVIII: 1-85. Jardin Botanique National de Belgique, Meise.

POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 6 November 2024]

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Neonauclea kranjiensis K.M.Wong & W.W.Seah (2018:292)

Taxonomy & Nomenclature

Synonym/s: Neonauclea sp. 2 [used by Wong, 1988, 1989]

Conservation Status

Extinct (Seah & Wong, 2018; Christenhusz & Govaerts, 2024; POWO, 2024)

Last (and only) record: 1894 (Seah & Wong, 2018 [sole record; plus date]; Christenhusz & Govaerts, 2024 [date only])

Distribution & Habitat

Kranji, Singapore

Anatomy & Morphology

Biology & Ecology

Hypodigm

This taxon is only known from the Holotype (Seah & Wong, 2018:292):

H.N. Ridley 6511 (holotype SING [SING0251857])

Media

References

Original scientific description:

Seah, W. W. and Wong, K. M. (2018). Flora of Singapore precursors, 7. A newly diagnosed species of Neonauclea (Rubiaceae: Naucleeae) now extinct in Singapore and notes on Neonauclea excelsa and N. calycina. Gardens' Bulletin Singapore 70(2): 289-294. doi: 10.26492/gbs70(2).2018-05

Other references:

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.

Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]

Middleton, J. D. (ed.). (2019). Flora of Singapore 13: 1-654. Singapore Botanic Gardens.

POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 3 November 2024]

Wong, K. M. (1988). The Arborescent Rubiaceae of Malaya. Bound and distributed by the author. pp. 1-245.

Wong, K. M. (1989). Rubiaceae. In Ng, F.S.P. (ed) Tree Flora of Malaya, A Manual for Foresters, vol. 4, pp. 324-425. Malaysia: Longman.

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