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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 Colchicaceae

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1 Plant acaulescent, from a tunicated bulb; [tribe Colchiceae]
1 Plant with leafy stem, from a rhizome or tuber.
..2 Tepals red or orange, reflexed; leaves attenuate into a tendril-like tip; [exotic]; [tribe Colchiceae]
..2 Tepals yellow, not reflexed; leaves acute to obtuse; [native]; [tribe Uvularieae]
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