Loganiaceae

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Family of plants

title: "Loganiaceae" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["loganiaceae", "asterid-families"] description: "Family of plants" topic_path: "general/loganiaceae" source: "https://en.wikipedia.org/wiki/Loganiaceae" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Family of plants ::

|fossil_range=Early Miocene to Recent, |image = Strychnos nux-vomica in Kinnarsani WS, AP W IMG 5873.jpg |image_caption = Strychnos nux-vomica |taxon = Loganiaceae |authority = R.Br. ex Mart. |subdivision_ranks = Genera |subdivision = See text |synonyms =

  • Antoniaceae Hutch.
  • Geniostomataceae Struwe & V.A.Albert
  • Spigeliaceae Bercht. & J.Presl
  • Strychnaceae DC. ex Perleb |synonyms_ref =

The Loganiaceae are a family of flowering plants classified in order Gentianales. The family includes up to 13 genera, distributed around the world's tropics. There are not any great morphological characteristics to distinguish these taxa from others in the order Gentianales.

Many members of the Loganiaceae are extremely poisonous, causing death by convulsion. Poisonous properties are largely due to alkaloids such as those found in Strychnos. Glycosides are also present as loganin in Strychnos.

Earlier treatments of the family have included up to 29 genera. Phylogenetic studies have demonstrated that this broadly defined Loganiaceae was a polyphyletic assemblage, and numerous genera have been removed from Loganiaceae to other families (sometimes in other orders), e.g., Gentianaceae, Gelsemiaceae, Plocospermataceae, Tetrachondraceae, Buddlejaceae, and Gesneriaceae. Some classification schemes, notably Takhtajan's, break the remaining Loganiaceae even further, into as many as four families; Strychnaceae, Antoniaceae, Spigeliaceae and Loganiaceae.

Genera

Some sources indicate the family consists of 13 genera. A more recent study considers some Labordia species synonymous with Geniostoma, resulting in 12 genera in other sources. As of November 2023 Plants of the World Online accepts 16 genera:

Excluded genera

References

  • Struwe, L., V. A. Albert, and B. Bremer (1994). "Cladistics and family level classification of the Gentianales". Cladistics 10: 175–205.

References

  1. (2003-01-17). "Family: ''Loganiaceae'' R. Br. ex Mart., nom. cons.". United States Department of Agriculture.
  2. Flowering Plants of the World by consultant editor [[Vernon H. Heywood]], 1978, [[Oxford University Press]], Walton Street, [[Oxford]] OX2 6DP, [[England]], {{ISBN. 019217674-9
  3. (July 2000). "Phylogenetic relationships within the Gentianales based on NDHF and RBCL sequences, with particular reference to the Loganiaceae". [[American Journal of Botany]].
  4. "GRIN Genera Records of ''Loganiaceae''". United States Department of Agriculture.
  5. (2012). "Phylogenetic relationships in Loganieae (Loganiaceae) inferred from nuclear ribosomal and chloroplast DNA sequence data". [[Australian Systematic Botany]].
  6. Angiosperm Phylogeny Group. (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society.
  7. [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30002038-2 Loganiaceae R.Br. ex Mart.] ''[[Plants of the World Online]]''. Accessed 17 November 2023.
  8. "GRIN genera sometimes placed in ''Loganiaceae''". United States Department of Agriculture.

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loganiaceaeasterid-families