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Systematics and relationships of the bigeneric pacific family campynemataceae liliales

Bulletin du Museum National d'Histoire Naturelle Section B Adansonia Botanique Phytochimie 8(2): 117-132

Systematics and relationships of the bigeneric pacific family campynemataceae liliales

Campynemataceae comprises two genera, the monotypic Campynema from Tasmania, and Campynemanthe, with three species, endemic to New Caledonia. Family characteristics are a basic lilialean ground plan with flowers with six similar, greenish accrescent and persistent tepals, six stamens with extrorse anthers and an inferior ovary with free stylodia. The two genera have in the past been assigned to Iridaceae, Amaryllidaceae or Hypoxidaceae but are shown to be unrelated to these families on embryological and morphological grounds. Campynemataceae are suggested to be most closely allied with Melanthiaceae. Campynema has fleshly roots produced from a root crown, a single basal leaf with an acute apex and a flowering stem with a simple 1-3-flowered inflorescence. Campynemanthe has a persistent rhizome, fibrous roots, several basal leaves with tridentate apices and a compound semi-umbellate inflorescence. Campynemanthe neocaledonica is transferred from Campynema with which it disagrees in all significant features, while the new species Campynemanthe parva is described.

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Accession: 006574502

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