Species | Leaf base | Leaf insertion indument | Leaf margins touching abaxially | Leaf adaxial midrib | Leaf abaxial midrib | Number of florets per head | Cypsela ribs | Outer pappus/cypsela relative size | Outer pappus length |
---|---|---|---|---|---|---|---|---|---|
|
cordate to auriculate | sparse tuft of small trichomes | no | impressed | winged and flattened | 1 | inconspicuous | outer pappus longer or equal | 1.3–2.5 mm |
|
cordate to auriculate | dense tuft of long trichomes | no | impressed | rounded | 1 | conspicuous | outer pappus smaller | ca. 1 mm |
|
rounded | glabrous | yes | carinate | subcarinate | 3 | conspicuous | outer pappus smaller | 1–1.2 mm |
|
cordate to auriculate | sparse tuft of small trichomes | no | carinate | winged and flattened | 1 | conspicuous | outer pappus smaller | 1.5–2 mm |