20b. Pilea aquarum subsp. brevicornuta (Hayata) C. J. Chen, Bull. Bot. Res., Harbin. 2(3): 59. 1982.
短角湿生冷水花 duan jiao shi sheng leng shui hua
Pilea brevicornuta Hayata, Icon. Pl. Formosan. 6: 43. 1916; P. brevicornuta f. laxiflora Yamamoto; P. brevicornuta f. magnifolia Yamamoto; P. cuneatifolia Yamamoto; P. minor Yamamoto.
Herbs, puberulent, then glabrescent, 10-50 cm tall, Leaf blade ovate to elliptic-lanceolate, 1.5-17 × 1-6.5 cm, margin crenate-serrate, apex acuminate. Male inflorescence a cymose panicle, to 5 cm; female cyme 0.5-1.5(-3) cm. Achene spiculose-verrucose. Fl. Jan-Apr, fr. May-Jul.
Wet places by ditches, near streams; 200-2600 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Taiwan, SE Yunnan [Japan, Vietnam].
Some material named as Pilea symmeria belongs here.
