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| habit - perennial species that grows in wet areas, like this shaded area on the side of Hamilton Pool | leaves - the leaves have extremely long petioles. What is the leaf arrangement? |
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| leaves again - what type of leaf margin is present? What leaf shape? The leaves of this species are 3-nerved from the base | inflorescence - the fruit are borne in spike-like clusters. The individual fruit are achenes. |