Table 1.

Differences between Carpinus polyneura and C. dayongina indicated by Li and Skvortsov (1999).

Species	Leaf	Length × width (cm)	Margin of leaf	Nutlet
C. polyneura	Elliptic-lanceolate or oblong-lanceolate	4–8 × 1.5–2.5	Doubly setiform serrate	Pubescent
C. dayongina	Lanceolate or ovate-lanceolate	2.5–4.5 × 1–1.5	Simply setiform serrate	Only villous at apex