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The taxonomy of the plant family Liliaceae has had a complex history since its first description in the mid-eighteenth century. Originally, the Liliaceae were defined as having a "calix" (perianth) of six equal-coloured parts, six stamens, a single style, and a superior, three-chambered (trilocular) ovary turning into a capsule fruit at maturity. The taxonomic circumscription of the family Liliaceae progressively expanded until it became the largest plant family and also extremely diverse, being somewhat arbitrarily defined as all species of plants with six tepals and a superior ovary. It eventually came to encompass about 300 genera and 4,500 species, and was thus a "catch-all" and hence paraphyletic. Only since the more modern taxonomic systems developed by the Angiosperm Phylogeny Group (APG) and based on phylogenetic principles, has it been possible to identify the many separate taxonomic groupings within the original family and redistribute them, leaving a relatively small core as the modern family Liliaceae, with fifteen genera and 600 species.
References
- ↑ Bessey 1915.
- ↑
- Bessey, Charles (September 1897). "Phylogeny and Taxonomy of the Angiosperms". Botanical Gazette. XXIV (3): 145–178. doi:10.1086/327577. PMID 17816268. S2CID 88268600 . Retrieved 13 February 2014.
- ↑ Zomlefer, W. B. (1994):Guide to flowering plant families
