Phyllode
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Phyllode

Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function.[1] In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the purpose of the leaf.

Acacia suaveolens (Sm.) Willd. [as Mimosa suaveolens Sm.] La Billardière (Labillardière), J.-J. Houton de, Novae Hollandiae plantarum specimen, vol. 2: p. 87, t. 236 (1804) (Poiteau)

They are common in the genus Acacia, especially the Australian species, at one time put in Acacia subg. Phyllodineae. Sometimes, especially on younger plants, partially formed phyllodes bearing reduced leaves can be seen. The illustration (to the right) of Acacia suaveolens from Novae Hollandiae plantarum specimen shows the juvenile true leaves, together with the developing phyllodes, and the phyllodes of the mature plant.

The genus, Daviesia, in the family Fabaceae, is characterised in part by the plants having phyllodes.[2]

References

  1. ^ PlantNET glossary: P National Herbarium of NSW, Royal Botanic Garden, Sydney.
  2. ^ Crisp, M.D, (1995). "Contributions towards a revision of Daviesia (Fabaceae: Mirbelieae). III.* A synopsis of the genus". Australian Systematic Botany. 8 (6): 1155. doi:10.1071/SB9951155. ISSN 1030-1887.

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Phyllode
 



 



 
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