Flora of the Southeastern United States
2022 Edition


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Key to Tofieldiaceae

1 Inflorescence 1-flowered; tepals yellow; seeds yellowish; [endemic to Panhandle FL]
1 Inflorescence a raceme or thyrse; tepals white to pale cream (fading to yellowish on dried specimens); seeds brown; [collectively widespread].
..2 Bracts of the inflorescence large, spathelike, acuminate-aristate at the tip; tepals 9-17 mm long; stamens (6-) 9 (-12)
..2 Bracts of the inflorescence minute; tepals 2.5-5 mm long; stamens 6.
....3 Inflorescence a raceme (the flower pedicels attached to the scape singly); scape smooth; flowering (late Aug-) late Sep-Oct
....3 Inflorecence a thyrse (flower pedicels attached to the scape in trifurcating clusters of 3-7); scape scurfy-scabrous; flowering Jun-Aug