| Stem leaf |
numerous |
few or none |
| Shape of basal and lower stem leaves |
narrowly elliptic; terminal lobe more than half the length of the blade |
narrowly obovate to elliptic; terminal lobe less than half the length of the blade |
| Leaf blade margin |
entire or subentire |
denticulate |
| Indumentum of abaxial leaf surface |
densely arachnoid lanate |
glabrous |
| Capitula |
numerous, in a paniculate synflorescence |
few to numerous, in a corymbiform synflorescence |
| Phyllary |
in 6 rows, green with black margin |
in 4–5 rows, green |
| Pappus |
brown |
dirty white |