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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 Striga

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1 Leaves of the mid-stem ascending to spreading, 20-50 mm long; calyx ribs 10; corollas red or yellow
1 Leaves of the mid-stem appressed, 3-7 mm long; calyx ribs 5; corollas purple or brownish red (white)
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