Description: To be added.
Distribution and occurrence:
Often regarded as a synonym of Apium but recent studies suggest it should be kept separate - see, e.g., Hardway et al. (2004) South African J. Botany 70: 393–406; and Ronse et al. (2010) Plant Syst. Evolution 287: 1-17.
Text by KL Wilson (April 2013) Taxon concept:
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