Definition: A depression caused by erosion by water or ice. Low-lying land bordered by higher ground; especially elongate, relatively large gently sloping depressions of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet.
Known occurrences, collected specimens and observations of Eutrema wuchengyii (Al-Shehbaz, T. Y. Cheo, L. L. Lu & G. Yang) Al-Shehbaz & S. I. Warwick. View this species on GBIF