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描述三合植物群 2 4种 (归 17科 2 2属 ) ,其中 17已知种 ,1新种 (Zizyphusorbitofolia)和 6未定种。此化石植物群包含蕨类植物 1属 1种 ,裸子植物 5属 5种 ,被子植物 16属 18种 ,其中有 2形态属 ,其余全归现代属。这个植物群的物种数量虽不多 ,但其多样性是很明显的。植物群中壳斗科有 3属 5种 ,是属种最多的科。其次杉科有 3属 3种 ,豆科 2属 2种 ,其余 14科仅有 1属 1种。植物群中只有Sequoia、Fukienia和Palaeocarya是常绿植物 ,其余均属落叶植物 ,是一个针叶和落叶阔叶混交林。三合植物群的成分与朝鲜北部咸镜北道会宁植物群类似 ,属于渐新世。
Describe the triad flora 24 species (belonging to 17 families and 22 genera), of which 17 known species, a new species (Zizyphusorbitofolia) and 6 undetermined species. This fossil flora contains 1 species of fern 1 genera, 5 species of 5 genera of gymnosperms and 18 species of angiosperm 16 genera, of which 2 species belong to the genus, and the rest belong to modern genera. Although the number of species in this flora is small, its diversity is obvious. There are 3 genera and 5 species of Fagaceae in flora, which is the most genera of species. Next, Cunninghaceae has 3 genera and 3 species, 2 genera and 2 genera, while the remaining 14 families have only 1 genus and 1 species. Among the flora, only Sequoia, Fukienia and Palaeocarya are evergreens and the rest belong to the deciduous plantation, which is a mixed coniferous and deciduous broadleaved forest. The composition of the triad flora resembles the Huining flora of the North Hamgyongbei area in North Korea, belonging to the Oligocene.