| 1. Leaves long-soft-woolly; pappus readily dehiscent |
| T. condensata |
| 1' Leaves ± finely strigose; pappus ± firmly attached to fruit |
| |
| 2. Fruit glabrous; leaves generally linear to oblanceolate, acute |
| T. leptotes |
| 2' Fruit ± spreading-hairy; leaves oblanceolate to obovate, ± obtuse |
| |
| 3. Stems (2)530 cm, leafy to middle or above |
| T. parryi cpn |
| 3' Stems 28 cm, leafy only at base |
| T. scapigera
|