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5c. Pterocarya macroptera var. insignis (Rehder & E. H. Wilson) W. E. Manning, Bull. Torrey Bot. Club. 102: 165. 1975.
华西枫杨 hua xi feng yang
Pterocarya insignis Rehder & E. H. Wilson in Sargent, Pl. Wilson. 3: 183. 1916.
Trees to 25 m tall. Leaves (20-)30-45 cm; petiole 2-6 cm; leaflets (5 or)7-13, lateral ones ovate to long elliptic, 14-16 × 4-5 cm, base oblique, rounded, apex acuminate. Fruiting spike to 45 cm, axis glabrous or nearly so. Nutlets ca. 8 mm, glabrous; wings orbicular-ovate, 1.5(-2) × 2(-2.5) cm. Fl. May-Jun, fr. Aug-Sep.
* Forests on mountain slopes; 1100-2700 m. W Hubei, Shaanxi, Sichuan, NW Yunnan, Zhejiang
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