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..2 Leaves appearing gray, with a dense pubescence of appressed or curving hairs which mostly lacking a pustular base; leaf blades of leaves on flowering branches mostly 3-5× as long as wide
..2 Leaves appearing green, with a sparse pubescence of spreading, bristly hairs which mostly have a pustular base (best seen at 10× magnification); leaf blades of leaves on flowering branches mostly 8-15× as long as wide
....3 Ray flowers without pappus; annual or biennial, taprooted; upper leaves rounded to clasping at the sessile base, lower leaves (deciduous by late in the season) petiolate; fruits developing from the ray florets 3- or 4-angled, glabrous or slightly strigose
......4 Stems 4-8 (-10) dm tall; branches and upper stem lacking glands or sparsely to moderately glandular (in addition to the longer, nonglandular hairs)
......4 Stems (6-) 8-14 dm tall; branches and upper stem moderately to densely glandular (in addition to the longer, nonglandular hairs)