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Image of US herbarium sheet of Vernonia incana Less. which shows the two types of roots: fleshy and fibrous. [photo courtesy of I. Lin, US]. |
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| Part of: Robinson H, Funk VA (2018) Vernonia subgenus Austrovernonia, a new subgenus from South America (Compositae, Vernonieae, Vernoniinae). PhytoKeys 110: 123-134. https://doi.org/10.3897/phytokeys.110.28890 |