云南土沉香(原变种) yun nan tu chen xiang (yuan bian zhong)

Excoecaria acerifolia var. himalayensis (Klotzsch) Müller Argoviensis; E. himalayensis (Klotzsch) Müller Argoviensis; Stillingia himalayensis Klotzsch.

Leaf blade ovate or ovate-lanceolate, rarely elliptic, 6-13 × 2-6 cm, apex acuminate. Fl. Jun-Aug. 2n = 24.

Montane forests and thickets; 1200-3000 m. Guangzhou, Hubei, Hunan, Sichuan, Yunnan [India, Nepal].

The seed oil content is up to 26%. The oil is used as soap.