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2 Inflorescences (1-) 3-8 (-10) flowered; stems solid; annuals or perennials from taproots (rarely rhizomatous). | |
3 Calyx tube 2.8-3.5 mm long; corolla 10-17 mm long; leaflets of the medial leaves mostly 1.5-2.5 (-5)× as long as wide | |
3 Calyx tube 1.8-2.8 mm long; corolla 7-10 mm long; leaflets of the medial leaves 3-4 (-6)× as long as wide |