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Pteroxygonum

Pteroxygonum is a plant genus in the family Polygonaceae. It contains a single species, Pteroxygonum giraldii, 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.

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