Mountain sorrels
Botanical name: Oxyria
Mountain sorrels
Botanical name: Oxyria
Description
Mountain sorrels is a genus of plants in the family Polygonaceae with three accepted species as of spring 2019. It has a circumboreal distribution. Species of mountain sorrels are perennial herbaceous plants or weakly shrubby. They spring have rhizomes. Their stems are erect variably branched. Undivided leaves are present both at the base of the plant and on the stems. They are arranged alternately and have stalks (petioles). The inflorescences are terminal paniclelike or racemelike borne on stems (pedunculate). Individual flowers are either bisexual or unisexual with four greenish to reddish brown tepals. The fruits are in the form of achenes with broadly winged margins.
Species of Mountain sorrels
Oxyria sinensis
Oxyria sinensis can be described as a shrubby herbaceous perennial. It produces achene–like fruit (a one-seeded fruit that doesn't split) through the summer and autumn. Oxyria sinensis flourishes on steep slopes at altitude, seemingly preferring dryer climates. It is thought that its ancestor is now extinct.
Alpine mountainsorrel
Alpine mountainsorrel is a frost-hardy perennial that grows in tufts and prefers sandy or loamy soils. Its flowers are used to obtain red dye. This plant's pollen has been found in 12,600-year-old peat bogs in Norway, which points to the conclusion that this plant was among the first plants to colonize the area after the Ice Age glaciers retreated.
Scientific Classification
Phylum
Vascular plants Class
Dicotyledons Order
Pinks, cacti, and allies Family
Buckwheat Genus
Mountain sorrels 
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