TABLE 1. Morphological comparisons between Youngia kangdingensis and Y. pilifera based on their protologues.
Character Youngia kangdingensis Youngia pilifera
height 7–14 cm 8–30 cm
Stem surface glabrous or sparsely pubescent beneath the flower heads sericeous below, glabrous above
shape undivided, linear-lanceolate or linear, or pinnatipartite to pinnatisect undivided, elliptic, ovate-elliptic, broadly ovate, or orbicular, or lyrately pinnatipartite
Basal leaves size 0.9–2 × 0.5 cm 0.7–3 × 0.6–1.5 cm
surface papillose-hairy hirtellous
petiole 0.5 cm long 1–1.8 cm long
Capitulum number 3–5 few
Floret number ca. 15 ca. 11
Involucre length 8 mm long 8–10 mm long
Pappus length 5.4 mm long 5 mm long