Kingdom Plantae Family Polygonaceae Tribe Fagopyreae Rank Species | Order Caryophyllales Subfamily Polygonoideae Genus Pteroxygonum | |
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Similar Pteropyrum, Atraphaxis, Actinidia giraldii, Polygonella, Brunnichia | ||
Pteroxygonum giraldii (红药子 hong yao zi) is a plant species in the genus Pteroxygonum, endemic at altitudes of 600-2000 meters in China's provinces of Gansu, Hebei, Henan, Hubei, Shaanxi, Shanxi, and Sichuan. It grows to more than 3 meters in height, with leaf blades triangular or triangular-ovate in shape, 4-7 × 3-6 cm.
Annulatin is an O-methylated flavonol found in the roots of P. giraldii.
References
Pteroxygonum giraldii Wikipedia(Text) CC BY-SA