At margin of meadow in fine, silty muck at edge of shallow stream.
Petals white; fruit green [Synonym = Sium frigidum Handel-Mazzetti]. Identified as Apium ventricosum H. Boissieu by M. G. Pimenov, December 2008. For Sinocarum ventricosum ( H. Boissieu) Pimenov & Kljuykov, see Feddes Repert. 114: 356. 2003.
| David E. Boufford, Kazumi FUJIKAWA, Susan L. Kelley, Richard H. Ree, Bo XU, Da-Cai ZHANG, Jian-Wen ZHANG, Ti-Cao ZHANG, Wei-Dong ZHU | |
| 39155 | 6 August 2007 |
