Table 1.
Morphological comparison between M.kangdingensis, M.macrantha, and M.bracteata.
| Characters | M.kangdingensis | M.macrantha | M.bracteata |
|---|---|---|---|
| Leaves | basal leaves persistent during flowering; leaves pinnatipartite | basal leaves wither during flowering; leaves pinnatipartite | basal leaves wither during flowering; leaves usually entire |
| Bracts | numerous and conspicuous, grading into the narrow outer phyllaries | absent | numerous and conspicuous, grading into the narrow outer phyllaries |
| Capitula | with 22–27 florets | with ca. 40 florets | with usually 20–30 florets |
| Involucres | phyllaries subequal, narrow, densely covered with long white multiseriate glandular hairs abaxially and along the margins, trichomes gradually decreased from the outer to inner phyllaries | phyllaries imbricate, outer phyllaries wide, margin white densely fimbriate, glabrous abaxially; inner phyllaries narrow, completely glabrous | phyllaries subequal, narrow, all completely glabrous |
| Anther tube length | 5.5–6.4 mm | 3.7–4.3 mm | 3.7–4.6 mm |
| Achene length | 10–11 mm | 10–11 mm | 7.9–8.5 mm |
| Achene beak | ca. 4 mm long, about 1/2 length of the achene’s body | ca. 1.8 mm long, about 1/3 length of the achene’s body | ca. 6.5 mm long, nearly equal in length to the achene’s body |