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|1 Perennials from tuberous roots; stems with 0 (-3) leaves; anthers 4.5-5.0 mm long|
|1 Annuals from normal, unthickened roots; stems with (0-) 3-9+ leaves; anthers 2.5-4.0 mm long.|
..2 Outer phyllaries mainly 1/3-2/3 as long as the inner phyllaries; lower and middle stem usually glabrous; leaf margins usually glabrous; upper cauline leaves usually unlobed or with 1-2 (-5) small lobes
|..2 Outer phyllaries mainly < 1/3 as long as the inner phyllaries; lower and middle stem usually sparsely to densely pilose; leaf margins usually ciliate; upper cauline leaves usually pinnately (3-) 5-7 (-9)-lobed|