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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Verbenaceae

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1 Shrubs; fruits fleshy
  2 Inflorescence a drooping raceme; [tribe Citharexyleae]
  2 Inflorescence an erect head or spike; [tribe Lantaneae]
1 Herbs; fruits dry.
    3 Flowers and fruits embedded in a thickened, somewhat fleshy rachis
    3 Flowers and fruits not embedded in a thickened, somewhat fleshy rachis.
      4 Mericarps 2; corolla 4-lobed, evidently zygomorphic (bilabiate); [tribe Lantaneae]
      4 Mericarps 4; corolla 5-lobed, actinomorphic or only weakly irregular; [tribe Verbeneae].
        5 Styles > 6 mm long; calyx 8-10 mm long, longer than the fruit; corolla salverform
        5 Styles < 3 mm long; calyx 2-4 mm long, often shorter than the fruit; corolla funnelform
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