Nanocnide, Blume, 1856

Aoki, Satoshi, Li, Pan, Matsuo, Ayumi, Suyama, Yoshihisa & Ito, Motomi, 2023, Molecular phylogeny and taxonomy of the genus Nanocnide (Urticaceae) with particular attention to the Ryukyu Islands endemic N. lobata, Phytotaxa 607 (1), pp. 23-40 : 35

Key to the taxa in Nanocnide

A. Subapical staminate peduncle exceeds the length of the subapical leaves at flowering; stems glabrous or covered with appressed hairs .................................................................................................................................................................................................. B.

A. Subapical staminate peduncle does not exceed the length of the subapical leaves at flowering; stems covered with depressed hairs .................................................................................................................................................................................................. C.

B. Subapical staminate peduncles and perianths strigose .................................................................................................. 1. N. japonica

B. Subapical staminate peduncles and perianths glabrous......................................................................................... 2. N. zhejiangensis

C. Subapical staminate peduncle first on the shoot less than 1 mm long; largest leaf with up to 5 teeth.............................. 3. N. lobata

C. Subapical staminate peduncle equals but does not exceed the length of the subapical leaves at flowering; largest leaf with 11–15 teeth ................................................................................................................................................................................... 4. N. pilosa